1 First of all, remember the formulas in each chapter and understand the definitions and theorems;

2. Then the problem is actually solved by formula. If you don't understand what knowledge points, you can find some questions to do, and what formulas and definitions are used in the analysis;

3, do more questions, and master knowledge better by doing questions;

4. When you encounter questions or knowledge points that you don't understand, you should ask the teacher or classmates in time.