1, Li Yongle's Book for Mathematics Review for Postgraduate Entrance Examination.

Suitable for the crowd: those who have a high degree of understanding of mathematics can be taught by themselves as a basic learning stage. This book includes advanced mathematics, linear algebra, number one, number two and number three.

Advantages: the knowledge system is comprehensive and the main points are clear. For example, there will be related precautions behind each knowledge point, and there will be examples of intuitive use of knowledge points.

Usage: It can be used as a teaching material throughout the postgraduate entrance examination to help understand the definition theorem.

2. "Mathematics Foundation Pass 660 Questions"

Suitable for the crowd: learn complete books or consolidate exercises after online classes.

Advantages: The whole book is multiple-choice and fill-in-the-blank questions, but the topics strictly fit the knowledge defined in the corresponding chapters and are suitable for knowledge consolidation. The topic examines the definition, but if you think deeply about the definition, it is easy to find the imperfect, unclear and biased understanding of knowledge by doing the topic.

Usage: Suitable for doing problems in the basic stage to consolidate knowledge and consolidating problems in the consolidation stage.