20 1 1 year. According to Sohu News Network, in 20 1 1 year, China began to implement the reform plan of "improving the grade, reducing the difficulty, adjusting the structure and expanding the examination area", and changed the mathematics test questions for the postgraduate entrance examination from a single calculation question to comprehensive and applied questions, which better reflected the ability level of candidates. Mathematics is a subject of postgraduate entrance examination. According to the different requirements of various disciplines and majors for the mathematical knowledge and ability that the postgraduate entrance examination should possess, there are three types of mathematics examination papers for postgraduate entrance examination, and the types of examination papers used by different majors have specific provisions.