The national line of postgraduate mathematics varies according to different majors and regions, so it depends on specific majors, such as area A in 2022, with 78 points in economics; 59 points in science; 57 points in engineering. Zone B, with 74 points in economics; 54 points in science; 53 points in engineering.

Take economics class a as an example. In 2020-2022, the single subject lines of mathematics are 72, 74 and 78 respectively.

Take science class A as an example. In 2020-2022, the mathematics single subject line is 60 points, 56 points and 59 points respectively.

Taking engineering class A as an example, the mathematics single subject lines in 2020-2022 are 56, 56 and 57 respectively.

Take management class A as an example. In 2020-2022, the single subject lines of mathematics are 74, 72 and 77 respectively.