1, advanced mathematics textbook, online substitute textbook, probability textbook (for the first review, it is best to read the basic knowledge points in the book first to consolidate the foundation and lay a good foundation for the later review)

2. Li Yongle's review book (mainly used to consolidate the knowledge points he has learned, deepen his understanding of various knowledge points, and improve his ability to calculate and comprehensively apply various knowledge points).

3. Mathematics real questions (used to practice and understand the test style and difficulty of the postgraduate entrance examination mathematics. This should be practiced more, and it is best to practice with the attitude of the exam. Every topic should be understood, because the style of the exam is very similar every year, and the laws of postgraduate entrance examination mathematics can also be summarized)

Make good use of the above information, the basic problems of mathematics will not be very big. If you feel that you haven't practiced enough, you can buy some exercises and practice more.