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Who should I buy for the postgraduate entrance examination?
Postgraduate math problems are recommended as follows:

Zhang Yu's complete answer to the real question; Li Yongle's Detailed Explanation of Historical Zhenti not only sorted out the sub-topics but also gave you a complete set of historical Zhenti. Tang Jiafeng has fully analyzed the real questions over the years, and Tang Jiafeng has fully analyzed them. Zhang Yu's book has no full set of papers by year, but only the classification of questions, while Tang Jiafeng's book has only a full set of papers by year, and there is no classification of questions.

1, Zhang Yuzhen's complete answer

This set of materials is mainly "complete" and is a real encyclopedia. There are nearly 30 years of real questions, covering from 1987 to the latest set. This book serves as an auxiliary set for the next round of real exercises. This set of questions has the most complete year and a large number.

2. Li Yongle's "Detailed Explanation of Historical Zhenti"

From the analysis, the answer to this real question is much more detailed than that of Teacher Zhang Yu. There are few "jumping questions" in the problem-solving steps, which are more rigorous and meticulous, and the methods and skills are quite satisfactory. In particular, his analysis of the line generation part is of very high quality.

Many problems that have not been noticed before, including some inertia in thinking, the limitations of solving problems and so on. , the harvest is quite rich. The more complex and comprehensive the topic is, the better, more comprehensive and deeper his analysis will be, taking into account many problems neglected by us and other materials, which is the best analysis of the line generation part in all real questions.