The mathematics difficulty of graduate students is different every year. 1998 The most difficult question appeared in the history of postgraduate entrance examination, and the lowest score dropped to 40. With so many students brushing questions, it will be very difficult to brush questions in 1998.

Generally speaking, the math difficulty levels of 1987-20 17 and 3 1 year have been refreshed again, and 1998 is the most difficult and 2006 is the easiest.