The most important things in mathematics are: basic concepts, basic methods and basic skills. Mastering the three basics, 120+ is definitely not a problem! It's precious to skip directly when you see a question that is off topic. Reading is good for essence and avoids floating. Whose book is not particularly important, study it again and again, and do it again and again (to write, avoid eyes and hands). If you want to apply for classes, you can choose a postgraduate remedial class.

Postgraduate entrance examination mathematics 303 is mathematics three. With the teaching materials of calculus, linear algebra, probability theory and data statistics, set sail to find the reference books of Zhang Yu (general practice) or Du Wen Tang Jiafeng (general practice).

Generally, the teaching materials used for mathematics postgraduate entrance examination are: Advanced Mathematics (Volume I and Volume II) edited by the Department of Applied Mathematics of Tongji University (green cover), Linear Algebra (purple cover) edited by the Department of Applied Mathematics of Tongji University, and Probability Theory: Probability Theory and Mathematical Statistics (blue cover).