Count to one 53.8, count to two 56.9, count to three 66.7. 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 have, the postgraduate entrance examination papers are divided into three types: engineering mathematics ⅰ and mathematics ⅱ; Mathematics III is aimed at economy and management. In 2020, the average scores of the three subjects of mathematics will be 53.8, 56.9 and 66.7 respectively.