It must be hard to get high numbers, no matter where they are. Because advanced mathematics needs basic ability very much, as long as one chapter is not understood, the rest can't learn. As for the quick grading method, Yang, a famous teacher of winning education, recommended five methods: (1) textbook knowledge is very important; (2) practice more, ask more questions and think more; (3) find a method that suits you; (4) learn to think independently; and (5) review and consolidate before and after class. Pay attention to WeChat official account's "Sichuan College Upgrade News" to get more information about college upgrade and prepare dry goods.