High school math league exam
The National Senior High School Mathematics League (plus test) has expanded its knowledge and appropriately added some contents beyond the outline. Add the following:
1. Plane geometry
Several important theorems: Menelius Theorem, Seva Theorem, Ptolemy Theorem and siemsen Theorem;
Imitation center, fermat point and Euler line of triangle;
Geometric inequality;
Geometric extremum problem;
Transformation in geometry: symmetry, translation and rotation;
Power and root axis of a circle:
Area method, complex number method, vector method, analytic geometry method.
2. Algebra
Periodic function, a function with absolute value;
Trigonometric formula, trigonometric identity, trigonometric equation, trigonometric inequality, inverse trigonometric function;
Recursion, recursive sequences and their properties, general formulas of first-order and second-order linear recursive sequences with constant coefficients;
Second mathematical induction;
Mean inequality, Cauchy inequality, rank inequality, Chebyshev inequality, one-dimensional convex function and their applications;
Complex number and its exponential form, triangular form, Euler formula, Dimov theorem, unit root;
Polynomial division theorem, factorization theorem, polynomial equality, rational root of integer coefficient polynomial *, polynomial interpolation formula *;
The number of roots of polynomials of degree n, the relationship between roots and coefficients, and the pairing theorem of imaginary roots of polynomials with real coefficients;
Function iteration, find n iterations *, simple function equation *.
3. Elementary number theory
Congruence, Euclidean division, complete residue system of Petit's theorem, indefinite equations and equations, Gaussian function [X], Fermat's last theorem, lattice point and its properties, infinite descent method *, euler theorem *, Sun Tzu's theorem *.
4. Combination problem
Cyclic permutation, permutation and combination of repeated elements, combinatorial identity;
Combinatorial counting, combinatorial geometry;
Pigeon cage principle;
Exclusion principle;
Extreme principle;
Graph theory problems;
Division of sets;
Coverage;
Planar convex set, convex hull and their applications.