2. The wrong book is very important. Of all the subjects, mathematics is the most important one. We especially encourage you to sort out the wrong questions. There are some tips for wrong questions. That is, if you insist on sorting out the wrong questions at ordinary times, you will eventually get a lot of thick wrong questions. We can review regularly. For those who have a thorough grasp, you can mark them, so that you don't have to review them in the future, and it will be more efficient to use the wrong questions.
3. Do more reflection. Mathematics learning should be consolidated by doing a lot of problems, but not only quantity, but also quality. When you encounter classic questions and high comprehensive questions, after each question is finished, you should analyze and reflect, and ask a few more why, in order to really do the questions thoroughly.