Zhang Yu's version is less difficult and more suitable for students with poor foundation to lay the foundation. Zhang Yu's high score version is more difficult, suitable for students who have a foundation and want to do difficult problems to improve themselves.
Zhang Yu's Pass Edition and Zhang Yu's High Score Edition are both postgraduate simulation packages made by the famous postgraduate teacher Zhang Yu. You can choose to study according to your existing level.
representative works
Lecture 18 on advanced mathematics for postgraduate entrance examination, lecture 9 on Zhang Yu's linear algebra, lecture 9 on probability theory and mathematical statistics for postgraduate entrance examination, and classic question 1000 on the origin of postgraduate entrance examination mathematics.
Zhang Yu solved all the real questions of postgraduate mathematics, Zhang Yu practiced 180 closed questions of postgraduate mathematics, eight sets of final predictions by the proposer of postgraduate mathematics, and the last four sets of lectures on mathematics, probability theory and mathematical statistics of postgraduate mathematics.