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How difficult is Zhang Yu's 8+4 high score version?
The difficulty of Zhang Yu's 8+4 high score version lies in the large amount of calculation, which is not as difficult as Li Lin's. The big problem of line generation is the same as the last exercise of line generation 9, but the first two problems are much less difficult, and the big problem of probability theory is quite satisfactory.

This is not just a set of after-school exercises. The chapters in the book list the contents of each section of this chapter and the corresponding requirements for postgraduate entrance examination, and point out the examples and exercises that must be done at the end of each section and chapter.

It provides the focus of learning for readers who are new to college mathematics or preparing for exams; The following knowledge structure network diagram systematically shows the main knowledge context of this chapter, and the complex knowledge structure is simplified and clear; The full solution of after-school exercises gives the full name analysis of after-school exercises.

Creative background:

Zhang Yu: Ph.D., a well-known expert in mathematics counseling for postgraduate entrance examination in China, a backbone teacher in the construction of national top-quality courses of the Ministry of Education, a national bestseller Zhang Yu's lecture on advanced mathematics 18, Zhang Yu's lecture on linear algebra 9, Zhang Yu's lecture on probability theory and mathematical statistics 9, Zhang Yu's classic mathematical source for postgraduate entrance examination 1000, and Zhang Yu's complete answer to the real questions of postgraduate entrance examination mathematics.