Hello, do you want to ask the second most difficult question of mathematics in the 20 15 senior high school entrance examination? 20 15 It's relatively simple to take the entrance examination for Mathematics II. 20 15 got a lot of high marks in mathematics for postgraduate entrance examination, and the topic was relatively simple. Math II: Exam content: A. Advanced Mathematics (function, limit, calculus with one variable function, ordinary differential equation); B linear algebra (matrix, matrix, vector, linear equations, eigenvalues and eigenvectors of matrices). Applicable majors: all two disciplines majors in first-class disciplines such as textile science and engineering, light industry technology and engineering, agricultural engineering, forestry engineering, food science and engineering.