[STEP][剑桥数学入学考试][06-S3-Q1][Curve sketching][FP1] STEP

[STEP][剑桥数学入学考试][04-S2-Q3][Curve sketching][FP1] STEP

[STEP][剑桥数学入学考试][13-S1-Q4][Integration by substitution][Integration by Parts (substitution)][P3] STEP

[STEP][剑桥数学入学考试][01-S1-Q4][Trigonometry][De Moivre's Theorem][FP1] STEP

[STEP][剑桥数学入学考试][13-S1-Q7][Differential equation][Require $y=u(x)*x$][FP2] STEP

[STEP][剑桥数学入学考试][17-S1-Q4][Discriminant and Roots of Polynomials][Use of discriminant and Sum/Prod of roots][P1/FP1] STEP

[STEP][剑桥数学入学考试][17-S1-Q1][Integration by substitution (trig)][Partial fraction][P3] STEP

[STEP][剑桥数学入学考试][06-S1-Q5][Integration by substitution][Implicit differentiation][Partial fraction][P3] STEP

[STEP][剑桥数学入学考试][03-S1-Q7][Number Theory][Multiple of 3][P1] STEP

[Problem of the day][数学挑战][Algebra][代数][17] [Solve this equation][iG] Algebra

[STEP][剑桥数学入学考试][02-S1-Q5][Roots of Polynomials][FP1] STEP

[STEP][剑桥数学入学考试][18-S1-Q1][Coordinate Geometry/Graph of Polynomials][P1] STEP

[STEP][剑桥数学入学考试][10-S1-Q5][Binomial coefficient][P1][P3] STEP

[STEP][剑桥数学入学考试][04-S1-Q1][Surds and polynomials][P1] STEP

[STEP][剑桥数学入学考试][02-S1-Q1][Simultaneous equations][Equation of Circle][P1] STEP

[STEP][剑桥数学入学考试][00-S1-Q2][Binomial coefficient][P1] STEP

[Problem of the day][数学挑战][Integration][积分][01] [Solve this integration][P3] Calculus

[Problem of the day][数学挑战][Algebra][代数][12] [Solve this equation][iG] Algebra

[Problem of the day][数学挑战][Algebra][代数][11] [Solve this equation][P3] Algebra

[LEGO][乐高][Rhombicosidodecahedron][小斜方截半二十面体] LEGO Geometry