Student ID;Student Country;Question ID;Type of Answer;Question Level;Topic;Subtopic;Keywords 1023;Lithuania;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 692;Portugal;204;1;Basic;Statistics;Statistics;Student distribution,Hypothesis testing 955;Lithuania;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 57;Portugal;184;1;Basic;Statistics;Statistics;Frequency,Sample,Stem and Leaf diagram,Variance,Standard deviation,Relative frequency 598;Italy;134;1;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 986;Portugal;430;1;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 415;Portugal;336;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,Operations with complex numbers,Modulus of a complex number,Imaginary part 37;Portugal;608;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector 1271;Portugal;290;1;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 175;Italy;1110;0;Basic;Numerical Methods;Numerical Methods;Polynomial interpolation,Newton’s interpolation 28;Portugal;566;1;Basic;Analytic Geometry;Analytic Geometry;Distance,Orthogonality,Locus 1420;Portugal;278;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 181;Italy;920;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 1289;Italy;427;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 411;Portugal;412;0;Basic;Integration;Integration Techniques;Power of trigonometric functions 855;Italy;239;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 155;Spain;147;0;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules,Logarithmic rule 1517;Portugal;777;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1220;Slovenia;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 1023;Lithuania;454;0;Basic;Linear Algebra;Vector Spaces;Basis 1220;Slovenia;436;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 1045;Lithuania;266;1;Basic;Differentiation;Partial Differentiation;First order,Second order 625;Russian Federation;458;1;Basic;Fundamental Mathematics;Elementary Geometry;Polygons,Geometric transformations,Geometrical figures 1300;Italy;438;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1340;Portugal;1116;0;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 1557;Portugal;688;1;Advanced;Real Functions of a single variable;Limits and Continuity;Indeterminate forms,Limits 985;Romania;253;1;Basic;Differentiation;Derivatives;Logarithmic rule,Trigonometric rules 1322;Italy;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 91;Lithuania;494;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 1087;Portugal;323;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 483;Portugal;108;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 128;Lithuania;645;1;Basic;Linear Algebra;Matrices and Determinants;Matrix rank,Linearly independent rows 851;Italy;860;0;Basic;Optimization;Nonlinear Optimization;Saddle point,Optimal solution,Minimum,Maximum,Stationary point 1353;Portugal;289;1;Advanced;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 81;Lithuania;583;1;Advanced;Graph Theory;Graph Theory;Path,Simple graph,Cycle and circuit 840;Italy;289;1;Advanced;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 1149;Portugal;437;1;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 1339;Portugal;783;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Isomorphism 1564;Portugal;919;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 380;Portugal;155;1;Basic;Optimization;Nonlinear Optimization;Lagrange multipliers,Maximum,Minimum 1087;Portugal;780;1;Basic;Linear Algebra;Linear Transformations;Injective linear application,Range,Kernel,Isomorphism 1157;Portugal;325;0;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1252;Portugal;455;0;Basic;Linear Algebra;Vector Spaces;Basis 1282;Portugal;454;1;Basic;Linear Algebra;Vector Spaces;Basis 955;Lithuania;1111;0;Basic;Numerical Methods;Numerical Methods;Polynomial interpolation,Newton’s interpolation 1322;Italy;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 666;Portugal;181;0;Basic;Statistics;Statistics;Quantile,Frequency,Sample,Mean,Variance,Standard deviation,Median,Mode 198;Italy;495;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 1565;Portugal;401;0;Basic;Integration;Integration Techniques;Direct inspection,Simple integration 1220;Slovenia;454;1;Basic;Linear Algebra;Vector Spaces;Basis 1130;Portugal;415;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 37;Portugal;360;1;Basic;Complex Numbers;Complex Numbers;Principal argument,Trigonometric form,Modulus of a complex number,Algebraic form 974;Portugal;435;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 420;Portugal;641;0;Basic;Linear Algebra;Matrices and Determinants;Commuting matrices,Solve matrix equation,Matrix equivalent - echelon,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties,Hermitian matrix,Symmetric matrix,Matrix multiplication,Linearly independent rows,Matrix operations 1220;Slovenia;453;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1220;Slovenia;437;1;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 483;Portugal;441;1;Advanced;Linear Algebra;Vector Spaces;Basis,Span 1219;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 203;Lithuania;613;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1219;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 972;Portugal;778;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 913;Ireland;430;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1148;Portugal;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 641;Italy;80;0;Basic;Statistics;Statistics;Population,Variance,Median,Standard deviation,Mode,Quantile,Sample,Mean 958;Lithuania;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 884;Italy;784;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1517;Portugal;439;0;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 509;Portugal;507;0;Basic;Fundamental Mathematics;Elementary Geometry;Symmetry 181;Italy;925;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Planar graph 853;Italy;241;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1220;Slovenia;319;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation,Linear application,Linearity 493;Portugal;784;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 625;Russian Federation;366;1;Basic;Fundamental Mathematics;Elementary Geometry;Geometric solids,Geometrical figures,Classification of geometric solids 1220;Slovenia;454;0;Basic;Linear Algebra;Vector Spaces;Basis 1146;Portugal;323;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 625;Russian Federation;644;0;Basic;Linear Algebra;Matrices and Determinants;Commuting matrices,Solve matrix equation,Matrix equivalent - echelon,Determinant computation,Matrix rank,Inverse matrix ,Determinant properties,Hermitian matrix,Matrix multiplication,Linearly independent rows,Symmetric matrix,Matrix operations 1087;Portugal;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 378;Portugal;701;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product,Distance 1525;Portugal;770;0;Advanced;Probability ;Probability ;Bayes' Theorem,Conditional probability 91;Lithuania;509;1;Advanced;Fundamental Mathematics;Elementary Geometry;Symmetry 634;Italy;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 972;Portugal;785;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1220;Slovenia;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 1517;Portugal;781;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 1220;Slovenia;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 340;Portugal;301;0;Basic;Probability ;Probability ;Sample space,Event 176;Italy;658;1;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules 1252;Portugal;296;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 175;Italy;1114;1;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 1157;Portugal;287;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 448;Portugal;485;1;Advanced;Probability ;Probability ;Bayes' Theorem,Conditional probability 351;Portugal;104;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1147;Portugal;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 419;Portugal;328;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 1220;Slovenia;415;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 422;Portugal;134;1;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 71;Portugal;308;1;Basic;Probability ;Probability ;Axioms of probability,Event,Addition, multiplication, and total probability rules,Sample space 509;Portugal;776;1;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 81;Lithuania;573;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Locus,Scalar product,Cross product,Collinearity 91;Lithuania;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 986;Portugal;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 633;Italy;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 955;Lithuania;1096;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 693;Portugal;191;0;Basic;Statistics;Statistics;Median,Frequency,Mode,Quantile,Population,Data type,Sample,Relative frequency,Mean,Standard deviation,Variance 599;Italy;601;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvector,Eigenvalue 1517;Portugal;781;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 91;Lithuania;450;0;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 524;Portugal;796;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Logarithmic function,Exponential function,Simplify expressions 376;Portugal;359;1;Advanced;Complex Numbers;Complex Numbers;Principal argument,Trigonometric form,Modulus of a complex number,Algebraic form 664;Portugal;202;1;Basic;Statistics;Statistics;Student distribution,Confidence interval,Point estimate,Hypothesis testing 91;Lithuania;503;0;Basic;Fundamental Mathematics;Elementary Geometry;Symmetry,Geometric transformations 174;Portugal;661;0;Basic;Differentiation;Derivatives;Logarithmic rule,Product rule,Trigonometric rules 675;Portugal;78;0;Basic;Statistics;Statistics;Stem and Leaf diagram,Relative frequency,Sample,Frequency 524;Portugal;789;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 91;Lithuania;461;1;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids 592;Portugal;296;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1220;Slovenia;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 394;Portugal;418;0;Advanced;Linear Algebra;Vector Spaces;Basis,Dimension 91;Lithuania;434;1;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 1220;Slovenia;277;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 600;Italy;640;0;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 1044;Lithuania;148;1;Basic;Differentiation;Partial Differentiation;First order 1146;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 168;Portugal;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 966;Portugal;780;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Range,Kernel,Isomorphism 91;Lithuania;497;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 1322;Italy;436;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 419;Portugal;330;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number 1219;Portugal;291;0;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 394;Portugal;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 1322;Italy;437;1;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 26;Portugal;487;1;Basic;Probability ;Probability ;Axioms of probability,Event,Independence,Addition, multiplication, and total probability rules,Sample space 986;Portugal;443;1;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Range,Kernel,Isomorphism 551;Lithuania;695;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product 1505;Portugal;280;1;Basic;Optimization;Linear Optimization;Linear programming 1379;Portugal;918;1;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 591;Portugal;569;1;Basic;Analytic Geometry;Analytic Geometry;Locus,Distance,Scalar product,Cross product,Orthogonality,Collinearity 551;Lithuania;353;0;Basic;Complex Numbers;Complex Numbers;Nth root,Polar representation,Operations with complex numbers,Principal argument,De Moivre formulas 175;Italy;1475;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Real part,Equations involving complex numbers,Imaginary part,Conjugate number,Modulus of a complex number 80;Lithuania;602;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector,Spectrum,Characteristic polynomial 359;Portugal;796;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Logarithmic function,Exponential function,Simplify expressions 26;Portugal;697;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Distance,Cross product 374;Portugal;346;1;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Modulus of a complex number,Operations with complex numbers,Conjugate number,Real part 80;Lithuania;951;1;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1331;Portugal;423;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 81;Lithuania;118;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 913;Ireland;1113;1;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 1022;Lithuania;281;0;Basic;Optimization;Linear Optimization;Linear programming 71;Portugal;127;0;Basic;Linear Algebra;Matrices and Determinants;Matrix multiplication,Determinant computation,Determinant properties,Symmetric matrix,Inverse matrix ,Linearly independent rows,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank 1220;Slovenia;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 741;Ireland;942;0;Basic;Graph Theory;Graph Theory;Spanning tree,Shortest path,Path,Tree 28;Portugal;563;1;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Cartesian equations of a line 1543;Portugal;1093;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1044;Lithuania;266;0;Basic;Differentiation;Partial Differentiation;First order,Second order 69;Portugal;572;1;Basic;Analytic Geometry;Analytic Geometry;Locus,Scalar product,Cross product,Distance,Collinearity,Orthogonality 1076;Portugal;780;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Range,Kernel,Isomorphism 972;Portugal;782;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1220;Slovenia;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1220;Slovenia;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 426;Portugal;431;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1557;Portugal;683;0;Advanced;Real Functions of a single variable;Domain, Image and Graphics;Domain 591;Portugal;313;0;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 776;Portugal;574;0;Advanced;Analytic Geometry;Analytic Geometry;Collinearity,Orthogonality,Distance,Scalar product 972;Portugal;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 1332;Portugal;432;1;Advanced;Linear Algebra;Vector Spaces;Linear independence,Subspace,Linear combination,Linear dependence,Span 28;Portugal;335;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Principal argument,De Moivre formulas,Polar representation,Operations with complex numbers,Modulus of a complex number,Trigonometric form 511;Portugal;218;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 955;Lithuania;1213;1;Basic;Numerical Methods;Numerical Methods;Mean,Median,Outliers,Interquartile range 1143;Portugal;323;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 899;Lithuania;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 473;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 851;Italy;383;1;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 890;Portugal;296;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 898;Portugal;1004;1;Basic;Optimization;Nonlinear Optimization;Minimum,Stationary point,Maximum,Saddle point,Optimal solution 840;Italy;375;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1244;Portugal;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 200;Lithuania;401;1;Basic;Integration;Integration Techniques;Direct inspection,Simple integration 853;Italy;243;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 36;Portugal;639;0;Basic;Linear Algebra;Matrices and Determinants;Inverse matrix ,Determinant computation,Determinant properties,Matrix operations 1163;Portugal;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1076;Portugal;428;0;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 28;Portugal;390;0;Basic;Integration;Integration Techniques;Direct inspection,Simple integration 175;Italy;142;1;Basic;Differentiation;Derivatives;Trigonometric rules,Product rule 1220;Slovenia;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 71;Portugal;695;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product 988;Portugal;917;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 451;Portugal;487;0;Basic;Probability ;Probability ;Axioms of probability,Event,Independence,Addition, multiplication, and total probability rules,Sample space 695;Portugal;80;0;Basic;Statistics;Statistics;Population,Variance,Median,Standard deviation,Mode,Quantile,Sample,Mean 1487;Portugal;327;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 37;Portugal;253;1;Basic;Differentiation;Derivatives;Logarithmic rule,Trigonometric rules 473;Portugal;345;0;Advanced;Complex Numbers;Complex Numbers;Polar representation,Trigonometric form,Modulus of a complex number,Operations with complex numbers,Algebraic form,Principal argument,De Moivre formulas 851;Italy;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 37;Portugal;327;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 1026;Lithuania;268;0;Basic;Differentiation;Partial Differentiation;First order,Second order 473;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 1194;Portugal;379;1;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 899;Lithuania;378;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 986;Portugal;289;1;Advanced;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 80;Lithuania;219;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 851;Italy;431;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 26;Portugal;558;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Cartesian equations of a plane,Orthogonality,Cartesian equations of a line 1220;Slovenia;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 71;Portugal;604;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector,Spectrum,Characteristic polynomial 1517;Portugal;627;1;Advanced;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvector,Spectrum,Characteristic polynomial,Eigenvalue,Diagonalization 1481;Portugal;982;1;Basic;Real Functions of a single variable;Limits and Continuity;Limits 26;Portugal;829;1;Basic;Differential Equations;Differential Equations;Linear differential equation 988;Portugal;384;1;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 91;Lithuania;512;1;Basic;Fundamental Mathematics;Elementary Geometry;Triangles 80;Lithuania;304;0;Basic;Probability ;Probability ;Addition, multiplication, and total probability rules,Sample space,Event,Axioms of probability 1146;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 178;Italy;275;0;Basic;Differentiation;Derivatives;Logarithmic rule,Product rule,Trigonometric rules 37;Portugal;1033;1;Basic;Differentiation;Partial Differentiation;Power rule,Trigonometric rules,Logarithmic rule,First order 1173;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 1252;Portugal;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 699;Portugal;201;0;Basic;Statistics;Statistics;Chi square distribution,Student distribution,Quantile,Hypothesis testing 351;Portugal;252;1;Basic;Differentiation;Derivatives;Quotient rule,Product rule,Power rule,Trigonometric rules 1091;Lithuania;779;0;Advanced;Linear Algebra;Linear Transformations;Rotation,Linear application 1080;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 411;Portugal;229;1;Basic;Linear Algebra;Linear Systems;Consistent system,Inconsistent system,Solution of linear system,Undetermined solution of linear system 890;Portugal;296;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 91;Lithuania;733;0;Basic;Integration;Integration Techniques;Simple integration,Direct inspection 473;Portugal;418;0;Advanced;Linear Algebra;Vector Spaces;Basis,Dimension 741;Ireland;191;0;Basic;Statistics;Statistics;Median,Frequency,Mode,Quantile,Population,Data type,Sample,Relative frequency,Mean,Standard deviation,Variance 426;Portugal;356;0;Advanced;Complex Numbers;Complex Numbers;Operations with complex numbers 955;Lithuania;439;0;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 509;Portugal;592;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Logarithmic rule,Product rule,Trigonometric rules 349;Portugal;735;0;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules,Logarithmic rule 1557;Portugal;687;0;Advanced;Real Functions of a single variable;Limits and Continuity;Indeterminate forms,Limits 1220;Slovenia;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 351;Portugal;102;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 36;Portugal;290;1;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 955;Lithuania;778;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 855;Italy;951;0;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 955;Lithuania;428;0;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 693;Portugal;202;1;Basic;Statistics;Statistics;Student distribution,Confidence interval,Point estimate,Hypothesis testing 639;Italy;183;1;Basic;Statistics;Statistics;Quantile,Population,Sample,Mean,Variance,Standard deviation,Median,Mode 972;Portugal;424;0;Advanced;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 955;Lithuania;313;0;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 689;Portugal;960;0;Basic;Optimization;Nonlinear Optimization;Linear programming 524;Portugal;104;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1156;Portugal;431;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 376;Portugal;351;1;Advanced;Complex Numbers;Complex Numbers;Nth root,Polar representation,Imaginary part,Complex plane ,Operations with complex numbers,Real part,Principal argument,De Moivre formulas 633;Italy;449;1;Advanced;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis 1080;Portugal;384;0;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 1332;Portugal;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 168;Portugal;375;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 81;Lithuania;290;0;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 1288;Portugal;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 510;Portugal;853;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Continuity,Limits 168;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1157;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 91;Lithuania;381;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 91;Lithuania;368;1;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids,Regular polygon 1247;Portugal;357;0;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Modulus of a complex number,Algebraic form,Conjugate number,Real part,Equations involving complex numbers 1044;Lithuania;912;0;Basic;Differentiation;Partial Differentiation;Minimum,Stationary point,Maximum,Saddle point,Optimal solution 986;Portugal;306;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel,Isomorphism,Injective linear application 473;Portugal;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 174;Portugal;369;0;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Geometrical figures,Classification of geometrical figures 1292;Italy;306;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel,Isomorphism,Injective linear application 1420;Portugal;385;1;Advanced;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 1243;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 913;Ireland;432;1;Advanced;Linear Algebra;Vector Spaces;Linear independence,Subspace,Linear combination,Linear dependence,Span 1411;Portugal;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1247;Portugal;639;0;Basic;Linear Algebra;Matrices and Determinants;Inverse matrix ,Determinant computation,Determinant properties,Matrix operations 1220;Slovenia;444;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 972;Portugal;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 80;Lithuania;552;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product 387;Portugal;441;0;Advanced;Linear Algebra;Vector Spaces;Basis,Span 1044;Lithuania;878;1;Basic;Differentiation;Partial Differentiation;Second order,First order 582;Lithuania;702;0;Advanced;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Intersection,Cartesian equations of a line 168;Portugal;452;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 634;Italy;431;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1288;Portugal;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 483;Portugal;461;0;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids 168;Portugal;383;0;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 1331;Portugal;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1093;Portugal;287;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 151;Portugal;112;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 71;Portugal;614;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1427;Portugal;778;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 168;Portugal;724;1;Advanced;Integration;Integration Techniques;Trigonometric substitution 1322;Italy;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 175;Italy;1096;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1543;Portugal;1092;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1023;Lithuania;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1076;Portugal;277;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 525;Portugal;367;1;Basic;Fundamental Mathematics;Elementary Geometry;Geometrical figures 64;Portugal;794;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 178;Italy;94;0;Basic;Differentiation;Derivatives;Trigonometric rules,Product rule,Sum rule,Logarithmic rule,Power rule 91;Lithuania;425;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1220;Slovenia;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 982;Portugal;439;0;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 1252;Portugal;421;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 986;Portugal;446;1;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Change-of-basis matrix 890;Portugal;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 979;Portugal;777;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 91;Lithuania;354;1;Advanced;Complex Numbers;Complex Numbers;Nth root,Polar representation,Operations with complex numbers,Principal argument,De Moivre formulas 634;Italy;435;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 972;Portugal;780;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Range,Kernel,Isomorphism 166;Portugal;134;1;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 1087;Portugal;438;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 175;Italy;1106;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 351;Portugal;667;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1087;Portugal;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 509;Portugal;629;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvector,Spectrum,Characteristic polynomial,Eigenvalue 1220;Slovenia;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 509;Portugal;277;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 36;Portugal;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1363;Portugal;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 1023;Lithuania;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 28;Portugal;568;1;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Cartesian equations of a line 200;Lithuania;667;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 168;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 626;Italy;919;1;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 473;Portugal;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 851;Italy;820;1;Basic;Optimization;Nonlinear Optimization;Optimal solution,Minimum,Maximum,Stationary point,Saddle point 470;Portugal;347;1;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Modulus of a complex number,Operations with complex numbers,Conjugate number,Real part 751;Lithuania;568;0;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Cartesian equations of a line 1173;Portugal;325;0;Basic;Linear Algebra;Linear Transformations;Range,Kernel 455;Portugal;652;1;Basic;Linear Algebra;Matrices and Determinants;Linearly independent rows,Matrix multiplication,Symmetric matrix,Matrix operations,Commuting matrices,Solve matrix equation,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties 1331;Portugal;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1481;Portugal;565;1;Basic;Analytic Geometry;Analytic Geometry;Distance,Scalar product,Cross product,Orthogonal projection,Orthogonality,Collinearity,Locus 966;Portugal;291;0;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 1179;Portugal;778;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 625;Russian Federation;521;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons,Regular polygon 524;Portugal;102;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 913;Ireland;440;1;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Subspace,Linear combination,Dimension 1219;Portugal;784;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 414;Portugal;239;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1146;Portugal;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 81;Lithuania;558;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Cartesian equations of a plane,Orthogonality,Cartesian equations of a line 751;Lithuania;885;0;Basic;Differentiation;Partial Differentiation;Second order,First order 898;Portugal;443;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Range,Kernel,Isomorphism 691;Portugal;177;0;Basic;Statistics;Statistics;Sample,Population,Mean,Variance,Standard deviation,Median,Mode,Quantile 448;Portugal;307;1;Basic;Probability ;Probability ;Event,Addition, multiplication, and total probability rules,Independence 168;Portugal;431;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1353;Portugal;290;1;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 1147;Portugal;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 411;Portugal;255;1;Basic;Differentiation;Derivatives;Trigonometric rules,Product rule,Logarithmic rule 167;Portugal;376;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1284;Italy;457;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 972;Portugal;453;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1220;Slovenia;433;1;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 415;Portugal;127;0;Basic;Linear Algebra;Matrices and Determinants;Matrix multiplication,Determinant computation,Determinant properties,Symmetric matrix,Inverse matrix ,Linearly independent rows,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank 1543;Portugal;1090;0;Basic;Numerical Methods;Numerical Methods;Nonlinear equation,Newton’s method 1077;Portugal;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 468;Portugal;333;0;Advanced;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 913;Ireland;1139;1;Basic;Set Theory;Set Theory;Subset 80;Lithuania;337;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Principal argument,De Moivre formulas,Polar representation,Trigonometric form,Operations with complex numbers,Modulus of a complex number 1319;Italy;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1517;Portugal;420;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 524;Portugal;667;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1322;Italy;381;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 966;Portugal;296;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 776;Portugal;703;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Scalar product 1220;Slovenia;313;1;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 966;Portugal;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 509;Portugal;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 41;Portugal;118;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1163;Portugal;376;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1252;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 510;Portugal;138;0;Basic;Linear Algebra;Matrices and Determinants;Matrix operations,Determinant computation,Determinant properties,Inverse matrix 719;Portugal;177;0;Basic;Statistics;Statistics;Sample,Population,Mean,Variance,Standard deviation,Median,Mode,Quantile 854;Italy;239;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1220;Slovenia;383;1;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 91;Lithuania;444;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 918;Portugal;192;0;Basic;Integration;Integration Techniques;Trigonometric substitution,Simple integration 955;Lithuania;1120;0;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 406;Portugal;114;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 81;Lithuania;697;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Distance,Cross product 1043;Lithuania;270;0;Basic;Differentiation;Partial Differentiation;First order,Second order 1093;Portugal;418;0;Advanced;Linear Algebra;Vector Spaces;Basis,Dimension 624;Portugal;524;0;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Rhombus 1288;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 625;Russian Federation;952;1;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1220;Slovenia;438;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1230;Portugal;436;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 411;Portugal;640;0;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 890;Portugal;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 1288;Portugal;436;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 1171;Portugal;1053;1;Basic;Optimization;Nonlinear Optimization;Optimal solution,Stationary point,Minimum,Maximum,Saddle point 1288;Portugal;421;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 67;Portugal;189;1;Basic;Statistics;Statistics;Mode,Quantile,Population,Data type,Sample,Mean,Standard deviation,Variance,Median 393;Lithuania;354;1;Advanced;Complex Numbers;Complex Numbers;Nth root,Polar representation,Operations with complex numbers,Principal argument,De Moivre formulas 1049;Lithuania;661;0;Basic;Differentiation;Derivatives;Logarithmic rule,Product rule,Trigonometric rules 1444;Portugal;319;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation,Linear application,Linearity 69;Portugal;558;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Cartesian equations of a plane,Orthogonality,Cartesian equations of a line 174;Portugal;274;0;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules 52;Portugal;130;0;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties,Inverse matrix ,Matrix operations 1288;Portugal;457;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 71;Portugal;130;1;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties,Inverse matrix ,Matrix operations 913;Ireland;1213;1;Basic;Numerical Methods;Numerical Methods;Mean,Median,Outliers,Interquartile range 1525;Portugal;316;0;Basic;Probability ;Probability ;Axioms of probability,Event,Addition, multiplication, and total probability rules,Sample space 1557;Portugal;674;1;Advanced;Real Functions of a single variable;Limits and Continuity;Limits,Indeterminate forms 69;Portugal;335;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Principal argument,De Moivre formulas,Polar representation,Operations with complex numbers,Modulus of a complex number,Trigonometric form 483;Portugal;461;1;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids 1109;Portugal;438;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1220;Slovenia;455;1;Basic;Linear Algebra;Vector Spaces;Basis 311;Ireland;134;1;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 1340;Portugal;1106;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 552;Portugal;569;0;Basic;Analytic Geometry;Analytic Geometry;Locus,Distance,Scalar product,Cross product,Orthogonality,Collinearity 1286;Italy;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 986;Portugal;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 1179;Portugal;777;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1289;Italy;382;0;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 26;Portugal;951;1;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 750;Portugal;919;1;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 189;Portugal;519;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 955;Lithuania;455;0;Basic;Linear Algebra;Vector Spaces;Basis 91;Lithuania;430;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1220;Slovenia;444;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 852;Italy;88;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Square linear system,Solution of linear system,Undetermined solution of linear system,Consistent system 165;Portugal;730;0;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules,Logarithmic rule 168;Portugal;454;0;Basic;Linear Algebra;Vector Spaces;Basis 71;Portugal;114;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1220;Slovenia;455;1;Basic;Linear Algebra;Vector Spaces;Basis 91;Lithuania;522;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons,Triangles 1146;Portugal;378;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 988;Portugal;223;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 625;Russian Federation;510;1;Advanced;Fundamental Mathematics;Elementary Geometry;Symmetry 351;Portugal;668;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1487;Portugal;930;0;Basic;Graph Theory;Graph Theory;Planar graph 378;Portugal;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 85;Lithuania;480;1;Basic;Graph Theory;Graph Theory;Planar graph 455;Portugal;507;1;Basic;Fundamental Mathematics;Elementary Geometry;Symmetry 509;Portugal;227;1;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 168;Portugal;380;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 966;Portugal;325;0;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1220;Slovenia;454;1;Basic;Linear Algebra;Vector Spaces;Basis 748;Portugal;386;0;Basic;Graph Theory;Graph Theory;Shortest path,Tree,Spanning tree,Path 885;Italy;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 972;Portugal;321;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1029;Lithuania;267;0;Basic;Differentiation;Partial Differentiation;First order,Second order 1379;Portugal;922;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 91;Lithuania;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 1288;Portugal;438;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1220;Slovenia;423;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1561;Portugal;410;0;Advanced;Integration;Integration Techniques;Rational functions 91;Lithuania;427;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 37;Portugal;258;1;Basic;Differentiation;Partial Differentiation;First order,Gradient 41;Portugal;576;0;Advanced;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Cartesian equations of a line 1081;Portugal;424;0;Advanced;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1220;Slovenia;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1219;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 625;Russian Federation;802;0;Advanced;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1253;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 510;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1219;Portugal;421;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1292;Italy;622;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Characteristic polynomial,Eigenvalue,Diagonalization,Eigenvector,Spectrum 37;Portugal;719;1;Basic;Integration;Integration Techniques;Integration by parts 175;Italy;329;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 71;Portugal;612;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1505;Portugal;957;0;Basic;Optimization;Linear Optimization;Linear programming 470;Portugal;555;1;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Orthogonality,Locus,Distance 984;Romania;784;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 374;Portugal;603;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector,Spectrum,Characteristic polynomial 1220;Slovenia;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 1044;Lithuania;879;1;Basic;Differentiation;Partial Differentiation;First order,Second order 624;Portugal;666;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1291;Italy;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 415;Portugal;644;0;Basic;Linear Algebra;Matrices and Determinants;Commuting matrices,Solve matrix equation,Matrix equivalent - echelon,Determinant computation,Matrix rank,Inverse matrix ,Determinant properties,Hermitian matrix,Matrix multiplication,Linearly independent rows,Symmetric matrix,Matrix operations 26;Portugal;308;1;Basic;Probability ;Probability ;Axioms of probability,Event,Addition, multiplication, and total probability rules,Sample space 1087;Portugal;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 731;Portugal;189;1;Basic;Statistics;Statistics;Mode,Quantile,Population,Data type,Sample,Mean,Standard deviation,Variance,Median 625;Russian Federation;666;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 177;Italy;795;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Square roots,Simplify expressions 376;Portugal;347;0;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Modulus of a complex number,Operations with complex numbers,Conjugate number,Real part 168;Portugal;382;0;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 26;Portugal;552;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product 884;Italy;291;1;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 854;Italy;88;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Square linear system,Solution of linear system,Undetermined solution of linear system,Consistent system 1076;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 1077;Portugal;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1158;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 972;Portugal;780;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Range,Kernel,Isomorphism 955;Lithuania;454;0;Basic;Linear Algebra;Vector Spaces;Basis 167;Portugal;375;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 91;Lithuania;506;0;Basic;Fundamental Mathematics;Elementary Geometry;Symmetry 827;Italy;641;0;Basic;Linear Algebra;Matrices and Determinants;Commuting matrices,Solve matrix equation,Matrix equivalent - echelon,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties,Hermitian matrix,Symmetric matrix,Matrix multiplication,Linearly independent rows,Matrix operations 988;Portugal;246;1;Basic;Linear Algebra;Linear Systems;Consistent system,Inconsistent system,Solution of linear system,Undetermined solution of linear system 71;Portugal;720;1;Basic;Differentiation;Derivatives;Quotient rule,Trigonometric rules,Logarithmic rule,Product rule 1220;Slovenia;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 645;Italy;184;1;Basic;Statistics;Statistics;Frequency,Sample,Stem and Leaf diagram,Variance,Standard deviation,Relative frequency 411;Portugal;123;0;Basic;Linear Algebra;Matrices and Determinants;Inverse matrix ,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank,Determinant computation,Matrix multiplication,Determinant properties,Symmetric matrix 91;Lithuania;324;1;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 1179;Portugal;376;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 884;Italy;383;0;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 890;Portugal;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 37;Portugal;412;0;Basic;Integration;Integration Techniques;Power of trigonometric functions 1219;Portugal;287;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1150;Portugal;438;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 524;Portugal;793;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Square roots,Simplify expressions 1220;Slovenia;426;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 407;Portugal;275;0;Basic;Differentiation;Derivatives;Logarithmic rule,Product rule,Trigonometric rules 163;Portugal;339;1;Basic;Complex Numbers;Complex Numbers;Trigonometric form,Operations with complex numbers,Modulus of a complex number,Algebraic form,Principal argument,De Moivre formulas,Polar representation 776;Portugal;702;1;Advanced;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Intersection,Cartesian equations of a line 1220;Slovenia;785;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 81;Lithuania;380;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 411;Portugal;602;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector,Spectrum,Characteristic polynomial 1292;Italy;596;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvector,Eigenvalue 510;Portugal;667;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1080;Portugal;435;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 576;Ireland;560;0;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Orthogonality 1229;Portugal;379;1;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 986;Portugal;427;1;Advanced;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 1080;Portugal;431;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 720;Portugal;77;1;Basic;Statistics;Statistics;Stem and Leaf diagram,Relative frequency,Sample,Frequency 1022;Lithuania;958;0;Basic;Optimization;Linear Optimization;Linear programming 91;Lithuania;467;1;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Polygons,Classification of geometrical figures,Geometrical figures 1271;Portugal;431;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 426;Portugal;345;1;Advanced;Complex Numbers;Complex Numbers;Polar representation,Trigonometric form,Modulus of a complex number,Operations with complex numbers,Algebraic form,Principal argument,De Moivre formulas 1291;Italy;453;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 483;Portugal;522;1;Basic;Fundamental Mathematics;Elementary Geometry;Polygons,Triangles 524;Portugal;368;1;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids,Regular polygon 1272;Portugal;313;1;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 380;Portugal;1015;0;Basic;Optimization;Nonlinear Optimization;Optimal solution,Stationary point,Minimum,Maximum,Saddle point 1288;Portugal;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1196;Slovenia;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 91;Lithuania;436;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 71;Portugal;487;1;Basic;Probability ;Probability ;Axioms of probability,Event,Independence,Addition, multiplication, and total probability rules,Sample space 1252;Portugal;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 1220;Slovenia;784;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1289;Italy;430;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1150;Portugal;313;0;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 72;Portugal;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 956;Portugal;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 414;Portugal;242;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 576;Ireland;562;0;Advanced;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Orthogonality 1220;Slovenia;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1220;Slovenia;375;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1557;Portugal;919;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 524;Portugal;798;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 674;Ireland;79;0;Basic;Statistics;Statistics;Stem and Leaf diagram,Relative frequency,Sample,Frequency 37;Portugal;569;0;Basic;Analytic Geometry;Analytic Geometry;Locus,Distance,Scalar product,Cross product,Orthogonality,Collinearity 1505;Portugal;182;1;Basic;Statistics;Statistics;Quantile,Population,Sample,Mean,Variance,Standard deviation,Median,Mode 473;Portugal;419;1;Advanced;Linear Algebra;Vector Spaces;Subspace,Dimension 131;Lithuania;365;1;Advanced;Graph Theory;Graph Theory;Adjacency matrix,Simple graph 91;Lithuania;455;0;Basic;Linear Algebra;Vector Spaces;Basis 965;Portugal;296;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 633;Italy;785;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 552;Portugal;570;0;Advanced;Analytic Geometry;Analytic Geometry;Distance,Orthogonal projection,Orthogonality 1300;Italy;433;0;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 899;Lithuania;441;0;Advanced;Linear Algebra;Vector Spaces;Basis,Span 166;Portugal;567;0;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a line,Orthogonality,Collinearity 1411;Portugal;292;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel,Isomorphism 61;Portugal;159;0;Basic;Differential Equations;Differential Equations;Linear differential equation,Integral curve,Cauchy problem 1077;Portugal;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 380;Portugal;350;0;Advanced;Complex Numbers;Complex Numbers;Complex plane 1220;Slovenia;421;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1220;Slovenia;296;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 80;Lithuania;131;0;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties,Inverse matrix ,Matrix operations 1219;Portugal;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 80;Lithuania;1248;1;Basic;Integration;Double Integration;Iterate integrals,Cartesian coordinates 1191;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 1135;Portugal;785;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1087;Portugal;444;0;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1220;Slovenia;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 414;Portugal;241;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 899;Lithuania;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1220;Slovenia;436;1;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 91;Lithuania;459;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 625;Russian Federation;371;1;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Geometrical figures 524;Portugal;122;1;Basic;Linear Algebra;Matrices and Determinants;Inverse matrix ,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank,Determinant computation,Matrix multiplication,Determinant properties,Symmetric matrix 1350;Portugal;383;1;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 1163;Portugal;384;0;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 1220;Slovenia;431;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1284;Italy;443;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Range,Kernel,Isomorphism 311;Ireland;652;1;Basic;Linear Algebra;Matrices and Determinants;Linearly independent rows,Matrix multiplication,Symmetric matrix,Matrix operations,Commuting matrices,Solve matrix equation,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties 966;Portugal;376;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1219;Portugal;383;1;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 28;Portugal;697;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Distance,Cross product 155;Spain;164;1;Basic;Differential Equations;Differential Equations;Separable variables equation 899;Lithuania;454;0;Basic;Linear Algebra;Vector Spaces;Basis 1375;Portugal;292;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel,Isomorphism 415;Portugal;329;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 85;Lithuania;1136;0;Basic;Set Theory;Set Theory;Subset 535;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 91;Lithuania;497;1;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 899;Lithuania;437;1;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 376;Portugal;351;1;Advanced;Complex Numbers;Complex Numbers;Nth root,Polar representation,Imaginary part,Complex plane ,Operations with complex numbers,Real part,Principal argument,De Moivre formulas 166;Portugal;125;1;Basic;Linear Algebra;Matrices and Determinants;Determinant properties,Symmetric matrix,Inverse matrix ,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank,Determinant computation,Matrix multiplication 91;Lithuania;500;0;Advanced;Fundamental Mathematics;Elementary Geometry;Geometrical figures,Triangles,Classification of geometrical figures 473;Portugal;348;1;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Complex plane ,Real part 551;Lithuania;332;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 1331;Portugal;415;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 840;Italy;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 1543;Portugal;1107;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1538;Portugal;1091;0;Basic;Numerical Methods;Numerical Methods;Nonlinear equation,Newton’s method 913;Ireland;446;1;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Change-of-basis matrix 1292;Italy;290;1;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 1220;Slovenia;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 91;Lithuania;379;1;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 1339;Portugal;448;1;Advanced;Linear Algebra;Vector Spaces;Subspace 61;Portugal;172;0;Basic;Differential Equations;Differential Equations;Linear differential equation 1220;Slovenia;450;0;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1286;Italy;432;0;Advanced;Linear Algebra;Vector Spaces;Linear independence,Subspace,Linear combination,Linear dependence,Span 683;Ireland;179;0;Basic;Statistics;Statistics;Sample,Population,Mean,Variance,Standard deviation,Median,Mode,Quantile 80;Lithuania;314;1;Basic;Probability ;Probability ;Event,Sample space 28;Portugal;559;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Cartesian equations of a plane,Orthogonality,Cartesian equations of a line 972;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 1505;Portugal;1003;0;Basic;Optimization;Linear Optimization;Linear programming 168;Portugal;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 37;Portugal;147;0;Basic;Differentiation;Derivatives;Product rule,Trigonometric rules,Logarithmic rule 853;Italy;950;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1087;Portugal;324;0;Basic;Linear Algebra;Linear Transformations;Linearity,Linear application 626;Italy;254;0;Basic;Differentiation;Derivatives;Logarithmic rule,Power rule,Trigonometric rules 1543;Portugal;1120;0;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 176;Italy;93;1;Basic;Differentiation;Derivatives;Product rule,Logarithmic rule,Trigonometric rules 955;Lithuania;1093;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 576;Ireland;557;0;Basic;Analytic Geometry;Analytic Geometry;Locus,Distance 1044;Lithuania;1000;1;Basic;Differentiation;Partial Differentiation;First order 576;Ireland;597;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvector,Spectrum,Characteristic polynomial,Diagonalization,Eigenvalue 419;Portugal;331;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 1185;Portugal;421;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1350;Portugal;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 840;Italy;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 695;Portugal;81;1;Basic;Statistics;Statistics;Mean,Median,Mode 657;Ireland;182;0;Basic;Statistics;Statistics;Quantile,Population,Sample,Mean,Variance,Standard deviation,Median,Mode 972;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1543;Portugal;1111;0;Basic;Numerical Methods;Numerical Methods;Polynomial interpolation,Newton’s interpolation 168;Portugal;287;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 661;Portugal;190;1;Basic;Statistics;Statistics;Frequency,Mode,Quantile,Population,Data type,Sample,Relative frequency,Mean,Standard deviation,Variance,Median 72;Portugal;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1146;Portugal;777;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1252;Portugal;784;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 378;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 1087;Portugal;377;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel,Matrix of a linear transformation 359;Portugal;440;1;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Subspace,Linear combination,Dimension 168;Portugal;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 1352;Portugal;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1220;Slovenia;423;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 414;Portugal;326;0;Basic;Complex Numbers;Complex Numbers;Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number,Real part 85;Lithuania;1140;0;Basic;Set Theory;Set Theory;Subset 1095;Portugal;291;1;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 753;Italy;296;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 175;Italy;1251;0;Basic;Numerical Methods;Numerical Methods;Newton’s interpolation,Polynomial interpolation 168;Portugal;319;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation,Linear application,Linearity 168;Portugal;291;1;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 982;Portugal;430;1;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 851;Italy;1015;1;Basic;Optimization;Nonlinear Optimization;Optimal solution,Stationary point,Minimum,Maximum,Saddle point 72;Portugal;90;0;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1032;Lithuania;875;0;Basic;Differentiation;Partial Differentiation;Gradient,First order 1244;Portugal;431;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1487;Portugal;946;0;Basic;Graph Theory;Graph Theory;Spanning tree,Shortest path,Path,Tree 378;Portugal;573;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Locus,Scalar product,Cross product,Collinearity 457;Portugal;328;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 955;Lithuania;426;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 972;Portugal;452;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1220;Slovenia;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 511;Portugal;239;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1220;Slovenia;443;1;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Range,Kernel,Isomorphism 1220;Slovenia;317;0;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1543;Portugal;1106;1;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1219;Portugal;784;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 955;Lithuania;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 1557;Portugal;918;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 625;Russian Federation;246;0;Basic;Linear Algebra;Linear Systems;Consistent system,Inconsistent system,Solution of linear system,Undetermined solution of linear system 1291;Italy;289;0;Advanced;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 955;Lithuania;1097;0;Basic;Numerical Methods;Numerical Methods;Lagrange's interpolation,Polynomial interpolation 510;Portugal;647;1;Basic;Linear Algebra;Matrices and Determinants;Matrix multiplication,Symmetric matrix,Matrix operations 625;Russian Federation;92;1;Basic;Linear Algebra;Linear Systems;Consistent system,Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system 28;Portugal;245;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1077;Portugal;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 524;Portugal;645;1;Basic;Linear Algebra;Matrices and Determinants;Matrix rank,Linearly independent rows 899;Lithuania;430;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1080;Portugal;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1220;Slovenia;457;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 899;Lithuania;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 890;Portugal;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 374;Portugal;433;1;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 359;Portugal;377;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel,Matrix of a linear transformation 1220;Slovenia;421;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 426;Portugal;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 1557;Portugal;831;0;Basic;Differential Equations;Differential Equations;Linear differential equation 913;Ireland;1101;1;Basic;Numerical Methods;Numerical Methods;Polynomial interpolation,Newton’s interpolation 91;Lithuania;520;1;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 626;Italy;271;0;Basic;Differentiation;Derivatives;Trigonometric rules,Product rule 41;Portugal;172;1;Basic;Differential Equations;Differential Equations;Linear differential equation 956;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1077;Portugal;306;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel,Isomorphism,Injective linear application 374;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 64;Portugal;414;0;Basic;Integration;Integration Techniques;Substitution,Direct inspection,Integration by parts,Rational functions 511;Portugal;234;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 855;Italy;239;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 426;Portugal;357;1;Advanced;Complex Numbers;Complex Numbers;Imaginary part,Modulus of a complex number,Algebraic form,Conjugate number,Real part,Equations involving complex numbers 1043;Lithuania;264;0;Basic;Differentiation;Partial Differentiation;Chain rule 851;Italy;784;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 697;Portugal;211;1;Basic;Statistics;Statistics;Linear regression 128;Lithuania;328;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 1049;Lithuania;879;0;Basic;Differentiation;Partial Differentiation;First order,Second order 1229;Portugal;783;0;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Isomorphism 80;Lithuania;729;1;Basic;Differentiation;Derivatives;Quotient rule 695;Portugal;189;1;Basic;Statistics;Statistics;Mode,Quantile,Population,Data type,Sample,Mean,Standard deviation,Variance,Median 953;Lithuania;211;1;Basic;Statistics;Statistics;Linear regression 1300;Italy;433;1;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 855;Italy;221;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1557;Portugal;927;1;Advanced;Real Functions of a single variable;Domain, Image and Graphics;Planar graph 414;Portugal;216;1;Basic;Linear Algebra;Linear Systems;Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system,Inconsistent system 890;Portugal;381;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 899;Lithuania;429;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 80;Lithuania;364;0;Basic;Fundamental Mathematics;Elementary Geometry;Geometric solids,Geometrical figures,Classification of geometric solids 90;Lithuania;326;0;Basic;Complex Numbers;Complex Numbers;Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number,Real part 851;Italy;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 851;Italy;1053;0;Basic;Optimization;Nonlinear Optimization;Optimal solution,Stationary point,Minimum,Maximum,Saddle point 81;Lithuania;547;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Orthogonality,Scalar product 1308;Italy;426;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1247;Portugal;641;0;Basic;Linear Algebra;Matrices and Determinants;Commuting matrices,Solve matrix equation,Matrix equivalent - echelon,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties,Hermitian matrix,Symmetric matrix,Matrix multiplication,Linearly independent rows,Matrix operations 986;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 1286;Italy;455;0;Basic;Linear Algebra;Vector Spaces;Basis 57;Portugal;79;0;Basic;Statistics;Statistics;Stem and Leaf diagram,Relative frequency,Sample,Frequency 1286;Italy;453;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 91;Lithuania;335;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Principal argument,De Moivre formulas,Polar representation,Operations with complex numbers,Modulus of a complex number,Trigonometric form 913;Ireland;217;1;Basic;Linear Algebra;Linear Systems;Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system,Inconsistent system 426;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 91;Lithuania;380;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 178;Italy;753;0;Basic;Differentiation;Derivatives;Exponential rule 1146;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 624;Portugal;467;1;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Polygons,Classification of geometrical figures,Geometrical figures 457;Portugal;336;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,Operations with complex numbers,Modulus of a complex number,Imaginary part 979;Portugal;415;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1256;Portugal;287;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 151;Portugal;104;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 181;Italy;922;1;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 41;Portugal;190;1;Basic;Statistics;Statistics;Frequency,Mode,Quantile,Population,Data type,Sample,Relative frequency,Mean,Standard deviation,Variance,Median 840;Italy;288;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 483;Portugal;998;1;Basic;Differentiation;Partial Differentiation;First order 91;Lithuania;606;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector,Diagonalization 71;Portugal;254;1;Basic;Differentiation;Derivatives;Logarithmic rule,Power rule,Trigonometric rules 1220;Slovenia;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 218;Lithuania;665;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 973;Portugal;425;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 470;Portugal;355;1;Advanced;Complex Numbers;Complex Numbers;Nth root,Polar representation,Operations with complex numbers,Principal argument,De Moivre formulas 175;Italy;1493;1;Basic;Complex Numbers;Complex Numbers;Imaginary part,Conjugate number,Modulus of a complex number,Algebraic form,Real part,Equations involving complex numbers 1220;Slovenia;321;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 64;Portugal;616;0;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Eigenvector 509;Portugal;916;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Square linear system,Consistent system 41;Portugal;366;1;Basic;Fundamental Mathematics;Elementary Geometry;Geometric solids,Geometrical figures,Classification of geometric solids 91;Lithuania;368;1;Basic;Fundamental Mathematics;Elementary Geometry;Platonic solids,Regular polygon 1334;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1271;Portugal;293;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 91;Lithuania;439;0;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 1220;Slovenia;459;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 414;Portugal;220;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 967;Portugal;289;1;Advanced;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 651;Ireland;202;0;Basic;Statistics;Statistics;Student distribution,Confidence interval,Point estimate,Hypothesis testing 168;Portugal;672;1;Basic;Real Functions of a single variable;Limits and Continuity;Limits,Indeterminate forms 524;Portugal;496;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons 378;Portugal;548;1;Basic;Analytic Geometry;Analytic Geometry;Collinearity,Distance,Locus,Cross product,Orthogonality,Scalar product 168;Portugal;446;0;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Change-of-basis matrix 470;Portugal;561;1;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Cartesian equations of a line 1375;Portugal;288;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 1220;Slovenia;287;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 359;Portugal;366;0;Basic;Fundamental Mathematics;Elementary Geometry;Geometric solids,Geometrical figures,Classification of geometric solids 741;Ireland;475;1;Basic;Graph Theory;Graph Theory;Adjacency matrix 576;Ireland;702;0;Advanced;Analytic Geometry;Analytic Geometry;Cartesian equations of a plane,Intersection,Cartesian equations of a line 1148;Portugal;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 80;Lithuania;701;1;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Cross product,Distance 1220;Slovenia;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 181;Italy;920;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 1352;Portugal;380;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1173;Portugal;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 1087;Portugal;425;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1179;Portugal;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 405;Portugal;788;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions,Exponential function 414;Portugal;243;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 1319;Italy;437;0;Basic;Linear Algebra;Linear Transformations;Linear application,Composition of linear applications 311;Ireland;138;0;Basic;Linear Algebra;Matrices and Determinants;Matrix operations,Determinant computation,Determinant properties,Inverse matrix 36;Portugal;233;1;Basic;Linear Algebra;Linear Systems;Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system,Inconsistent system 851;Italy;384;0;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 855;Italy;217;0;Basic;Linear Algebra;Linear Systems;Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system,Inconsistent system 80;Lithuania;243;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 855;Italy;90;1;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1428;Portugal;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 986;Portugal;385;0;Advanced;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 851;Italy;1012;0;Basic;Optimization;Nonlinear Optimization;Optimal solution,Stationary point,Minimum,Maximum,Saddle point 511;Portugal;118;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1324;Italy;438;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 510;Portugal;227;0;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 884;Italy;383;0;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 1244;Portugal;417;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 71;Portugal;307;0;Basic;Probability ;Probability ;Event,Addition, multiplication, and total probability rules,Independence 415;Portugal;633;0;Advanced;Linear Algebra;Matrices and Determinants;Matrix equivalent - echelon,Matrix rank,Matrix operations,Hermitian matrix,Matrix multiplication,Symmetric matrix,Linearly independent rows,Commuting matrices,Determinant computation,Determinant properties,Inverse matrix ,Solve matrix equation 525;Portugal;795;1;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Square roots,Simplify expressions 41;Portugal;573;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonality,Locus,Scalar product,Cross product,Collinearity 955;Lithuania;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1252;Portugal;459;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 1220;Slovenia;433;1;Basic;Linear Algebra;Vector Spaces;Subspace,Dimension 884;Italy;376;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 181;Italy;920;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 1146;Portugal;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 470;Portugal;547;1;Basic;Analytic Geometry;Analytic Geometry;Cross product,Orthogonality,Scalar product 215;Lithuania;868;1;Basic;Differential Equations;Differential Equations;Separable variables equation 1334;Portugal;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 415;Portugal;335;0;Basic;Complex Numbers;Complex Numbers;Algebraic form,Principal argument,De Moivre formulas,Polar representation,Operations with complex numbers,Modulus of a complex number,Trigonometric form 1557;Portugal;983;0;Advanced;Real Functions of a single variable;Limits and Continuity;Limits,Indeterminate forms 178;Italy;720;0;Basic;Differentiation;Derivatives;Quotient rule,Trigonometric rules,Logarithmic rule,Product rule 1023;Lithuania;317;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1220;Slovenia;313;1;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 753;Italy;885;0;Basic;Differentiation;Partial Differentiation;Second order,First order 855;Italy;241;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 899;Lithuania;776;0;Basic;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 1076;Portugal;277;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1047;Lithuania;261;0;Basic;Differentiation;Partial Differentiation;First order,Gradient 1543;Portugal;1106;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 956;Portugal;416;0;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 600;Italy;215;1;Basic;Linear Algebra;Linear Systems;Undetermined solution of linear system,Consistent system,Inconsistent system,Solution of linear system 1220;Slovenia;415;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 986;Portugal;432;1;Advanced;Linear Algebra;Vector Spaces;Linear independence,Subspace,Linear combination,Linear dependence,Span 509;Portugal;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1402;Portugal;293;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 525;Portugal;114;0;Basic;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 1132;Portugal;777;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1220;Slovenia;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 28;Portugal;77;0;Basic;Statistics;Statistics;Stem and Leaf diagram,Relative frequency,Sample,Frequency 1044;Lithuania;877;1;Basic;Differentiation;Partial Differentiation;Second order 176;Italy;920;0;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 411;Portugal;331;0;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 1286;Italy;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 85;Lithuania;1148;1;Basic;Set Theory;Set Theory;Subset 1182;Portugal;376;0;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 85;Lithuania;1124;0;Basic;Set Theory;Set Theory;Integration by parts,Substitution,Simple integration,Direct inspection 387;Portugal;430;0;Advanced;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1220;Slovenia;291;1;Basic;Linear Algebra;Linear Transformations;Kernel,Isomorphism,Injective linear application,Range 884;Italy;784;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 376;Portugal;350;0;Advanced;Complex Numbers;Complex Numbers;Complex plane 1517;Portugal;782;0;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 168;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 713;Portugal;81;0;Basic;Statistics;Statistics;Mean,Median,Mode 510;Portugal;639;0;Basic;Linear Algebra;Matrices and Determinants;Inverse matrix ,Determinant computation,Determinant properties,Matrix operations 422;Portugal;328;0;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 28;Portugal;567;1;Basic;Analytic Geometry;Analytic Geometry;Cartesian equations of a line,Orthogonality,Collinearity 1023;Lithuania;429;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1308;Italy;293;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 1081;Portugal;439;0;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 1220;Slovenia;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 414;Portugal;917;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 966;Portugal;296;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 176;Italy;98;0;Basic;Differentiation;Derivatives;Trigonometric rules,Product rule,Sum rule,Logarithmic rule,Power rule 380;Portugal;1007;0;Basic;Optimization;Nonlinear Optimization;Optimal solution,Minimum,Stationary point,Maximum,Saddle point 374;Portugal;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1044;Lithuania;875;0;Basic;Differentiation;Partial Differentiation;Gradient,First order 1565;Portugal;679;0;Basic;Real Functions of a single variable;Limits and Continuity;Limits,Indeterminate forms 1135;Portugal;454;1;Basic;Linear Algebra;Vector Spaces;Basis 1242;Portugal;454;0;Basic;Linear Algebra;Vector Spaces;Basis 854;Italy;225;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 80;Lithuania;542;1;Basic;Integration;Double Integration;y-simple region (type I),Cartesian coordinates,Area ,Iterate integrals 128;Lithuania;330;1;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number 986;Portugal;325;1;Basic;Linear Algebra;Linear Transformations;Range,Kernel 967;Portugal;293;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 57;Portugal;185;1;Basic;Statistics;Statistics;Frequency,Quantile,Mean,Variance,Median,Mode 1305;Italy;278;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 840;Italy;779;1;Advanced;Linear Algebra;Linear Transformations;Rotation,Linear application 898;Portugal;785;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 972;Portugal;321;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 898;Portugal;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 876;Italy;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1331;Portugal;459;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 552;Portugal;558;0;Basic;Analytic Geometry;Analytic Geometry;Cross product,Cartesian equations of a plane,Orthogonality,Cartesian equations of a line 1271;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 1557;Portugal;920;1;Basic;Real Functions of a single variable;Domain, Image and Graphics;Domain 979;Portugal;1094;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 1023;Lithuania;417;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 1077;Portugal;321;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 982;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 168;Portugal;323;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 422;Portugal;648;1;Advanced;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 1220;Slovenia;457;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 1420;Portugal;781;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 1220;Slovenia;379;1;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 168;Portugal;434;0;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 955;Lithuania;1105;1;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 378;Portugal;379;0;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 406;Portugal;230;0;Basic;Linear Algebra;Linear Systems;Consistent system,Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system 885;Italy;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 899;Lithuania;459;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Subspace,Span 509;Portugal;434;1;Basic;Linear Algebra;Vector Spaces;Subspace,Basis,Dimension 509;Portugal;141;1;Basic;Linear Algebra;Matrices and Determinants;Matrix operations,Matrix multiplication 1324;Italy;384;0;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 667;Portugal;204;1;Basic;Statistics;Statistics;Student distribution,Hypothesis testing 955;Lithuania;435;0;Basic;Linear Algebra;Vector Spaces;Euclidean spaces,Orthogonal basis,Basis 986;Portugal;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 37;Portugal;1084;1;Advanced;Differentiation;Partial Differentiation;First order,Second order 1219;Portugal;423;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 840;Italy;453;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 625;Russian Federation;662;0;Advanced;Fundamental Mathematics;Algebraic expressions, Equations, and Inequalities;Simplify expressions 470;Portugal;333;1;Advanced;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 1220;Slovenia;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 26;Portugal;903;1;Basic;Differential Equations;Differential Equations;Separable variables equation 457;Portugal;341;1;Basic;Complex Numbers;Complex Numbers;Operations with complex numbers 855;Italy;244;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 884;Italy;422;0;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 1322;Italy;378;1;Basic;Linear Algebra;Linear Transformations;Invertible linear operator,Isomorphism,Injective linear application 1275;Lithuania;446;0;Advanced;Linear Algebra;Vector Spaces;Basis,Span,Change-of-basis matrix 1253;Portugal;452;0;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 37;Portugal;332;1;Basic;Complex Numbers;Complex Numbers;Conjugate number,Real part,De Moivre formulas,Operations with complex numbers,Imaginary part 1220;Slovenia;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 166;Portugal;637;0;Basic;Linear Algebra;Matrices and Determinants;Determinant computation,Determinant properties 1288;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1023;Lithuania;454;1;Basic;Linear Algebra;Vector Spaces;Basis 1252;Portugal;290;0;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 1557;Portugal;396;0;Advanced;Integration;Integration Techniques;Power of trigonometric functions 1044;Lithuania;263;0;Basic;Differentiation;Partial Differentiation;First order 509;Portugal;428;1;Basic;Linear Algebra;Vector Spaces;Change-of-basis matrix,Span,Basis,Dimension 1173;Portugal;384;0;Basic;Linear Algebra;Linear Transformations;Linearity,Invertible linear operator,Composition of linear applications,Linear application 661;Portugal;184;0;Basic;Statistics;Statistics;Frequency,Sample,Stem and Leaf diagram,Variance,Standard deviation,Relative frequency 414;Portugal;241;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system,Square linear system 91;Lithuania;369;0;Basic;Fundamental Mathematics;Elementary Geometry;Quadrilaterals,Geometrical figures,Classification of geometrical figures 1487;Portugal;1186;1;Basic;Integration;Definite Integrals;Fundamental theorem of Calculus,Partial fractions decomposition 1023;Lithuania;450;1;Basic;Linear Algebra;Vector Spaces;Subspace,Span,Linear combination 1023;Lithuania;429;0;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 753;Italy;1001;0;Basic;Differentiation;Partial Differentiation;Power rule,Trigonometric rules,Logarithmic rule 1044;Lithuania;261;1;Basic;Differentiation;Partial Differentiation;First order,Gradient 1192;Portugal;453;1;Basic;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 1148;Portugal;313;0;Basic;Linear Algebra;Vector Spaces;Span,Linear combination,Subspace 854;Italy;916;0;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Square linear system,Consistent system 986;Portugal;651;1;Basic;Linear Algebra;Matrices and Determinants;Matrix multiplication,Symmetric matrix,Matrix operations,Commuting matrices,Solve matrix equation,Inverse matrix ,Determinant computation,Matrix rank,Determinant properties 641;Italy;181;1;Basic;Statistics;Statistics;Quantile,Frequency,Sample,Mean,Variance,Standard deviation,Median,Mode 1256;Portugal;422;1;Basic;Linear Algebra;Vector Spaces;Linear combination,Span 913;Ireland;441;0;Advanced;Linear Algebra;Vector Spaces;Basis,Span 1332;Portugal;448;0;Advanced;Linear Algebra;Vector Spaces;Subspace 898;Portugal;288;1;Advanced;Linear Algebra;Linear Transformations;Range,Kernel 1023;Lithuania;454;1;Basic;Linear Algebra;Vector Spaces;Basis 167;Portugal;287;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 1135;Portugal;290;0;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 1197;Slovenia;438;1;Basic;Linear Algebra;Vector Spaces;Subspace,Linear combination,Span 1353;Portugal;380;1;Advanced;Linear Algebra;Linear Transformations;Matrix of a linear transformation 411;Portugal;326;0;Basic;Complex Numbers;Complex Numbers;Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number,Real part 1288;Portugal;425;1;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 483;Portugal;439;1;Advanced;Linear Algebra;Vector Spaces;Span,Subspace,Linear combination 751;Lithuania;546;0;Basic;Analytic Geometry;Analytic Geometry;Orthogonal projection,Distance,Cross product,Orthogonality 419;Portugal;329;1;Basic;Complex Numbers;Complex Numbers;Real part,Operations with complex numbers,Imaginary part,Modulus of a complex number,Conjugate number 511;Portugal;89;0;Basic;Linear Algebra;Linear Systems;Square linear system,Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1147;Portugal;425;0;Basic;Linear Algebra;Vector Spaces;Subspace,Change-of-basis matrix,Linear combination,Span,Basis 1292;Italy;617;1;Basic;Linear Algebra;Eigenvalues and Eigenvectors;Eigenvalue,Spectrum,Eigenvector,Characteristic polynomial 1308;Italy;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 576;Ireland;521;0;Basic;Fundamental Mathematics;Elementary Geometry;Polygons,Regular polygon 414;Portugal;949;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 1158;Portugal;376;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 913;Ireland;1094;0;Basic;Numerical Methods;Numerical Methods;Newton’s method,Nonlinear equation 510;Portugal;129;0;Basic;Linear Algebra;Matrices and Determinants;Matrix multiplication,Determinant computation,Determinant properties,Symmetric matrix,Inverse matrix ,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank 167;Portugal;784;1;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 64;Portugal;394;1;Basic;Integration;Integration Techniques;Substitution 91;Lithuania;382;1;Advanced;Linear Algebra;Linear Transformations;Injective linear application,Invertible linear operator,Isomorphism 473;Portugal;287;1;Basic;Linear Algebra;Linear Transformations;Matrix of a linear transformation 524;Portugal;136;1;Basic;Linear Algebra;Matrices and Determinants;Matrix rank,Matrix operations,Matrix multiplication,Symmetric matrix,Determinant computation,Commuting matrices,Determinant properties,Inverse matrix ,Solve matrix equation 633;Italy;140;1;Advanced;Linear Algebra;Matrices and Determinants;Matrix operations,Inverse matrix 80;Lithuania;532;1;Basic;Integration;Double Integration;Cartesian coordinates,Iterate integrals,x-simple region (type II) 890;Portugal;277;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 509;Portugal;950;1;Basic;Linear Algebra;Linear Systems;Inconsistent system,Solution of linear system,Undetermined solution of linear system,Consistent system 955;Lithuania;290;1;Advanced;Linear Algebra;Linear Transformations;Linear application,Linearity 966;Portugal;321;0;Basic;Linear Algebra;Linear Transformations;Linear application,Linearity 1080;Portugal;383;1;Basic;Linear Algebra;Linear Transformations;Linearity,Matrix of a linear transformation,Linear application 1220;Slovenia;416;1;Basic;Linear Algebra;Vector Spaces;Basis,Dimension 986;Portugal;424;1;Advanced;Linear Algebra;Vector Spaces;Linear independence,Span,Linear dependence 80;Lithuania;125;1;Basic;Linear Algebra;Matrices and Determinants;Determinant properties,Symmetric matrix,Inverse matrix ,Commuting matrices,Solve matrix equation,Matrix operations,Matrix rank,Determinant computation,Matrix multiplication 1135;Portugal;293;0;Advanced;Linear Algebra;Linear Transformations;Range,Kernel