You have to do real questions for at least 20 years. This is because postgraduate mathematics is different from postgraduate English and postgraduate politics. English and politics have a strong sense of the times and strong timeliness. For example, the real English and political questions you did 10 years ago are completely different from the real questions now.

However, mathematics is just the opposite. After nearly 28 years of refining, the mathematics of postgraduate entrance examination has already matured, and the knowledge points and depth will not change much.

Matters needing attention in postgraduate entrance examination

It is very important for candidates to collect information about college exams. They must get in touch with their predecessors through various channels, exchange more valuable information and review materials such as college exam questions and notes, and collect information through college exam groups, college exam forums and other channels.