Li Yongle's math review books for postgraduate entrance examination are generally published in February of the following year, which are mainly composed of review books, analysis of past years' test questions and three books with 660 questions, with an answer set. The book is arranged according to the examination syllabus and is rich in content. The examples are very representative, and there is basically one. Candidates should mainly review the whole book and real questions, and 660 questions can be used as supplementary exercises. The book basically needs to be read 3-4 times, which can achieve better review effect.

Generally speaking, the content of the book is similar every year and will not be modified too much. It just adds new real content to the book. You can review the old version of next year first, and then review it when the new version is sold, which can save time and improve efficiency.