Chen Wendeng's books are very good. Suitable for those students who really want to be admitted. Chen Wendeng's book is definitely not suitable for those students who want to take the postgraduate entrance examination or have a difficult foundation. Is the elimination rate so high and the average score so low the basis? Hehe, everyone is a parrot, and Li Yongle is the foundation. Hello, Li Yongle. Chen Wendeng is so skillful in speaking. There are so many problems in mathematics for postgraduate entrance examination. If you don't take exams, pay attention to skills and usually don't do difficult problems, you will never succeed in mathematics for postgraduate entrance examination. If, as some people say, the foundation of postgraduate entrance examination and the gap between students' math scores come from?