Postgraduate mathematics is a national unified examination, which means that all schools that accept graduate students are the same in mathematics and English. Only the professional course examinations of 34 colleges and universities approved in advance can be set by themselves, and there is no need for a national unified examination. Therefore, Nanjing University of Information Science & Technology 60 1 Mathematics (Science) exam must definitely test line generation and probability. Of course, the subjects of arts and sciences are different and the difficulty is different.