However, if the undergraduate is not a math major, there are very few students who specialize in mathematics.

It's harder than counting one.

First, the most important thing is engineering mathematics, which has the highest requirements.

Number two, there is no introduction theory and mathematical statistics, and a lot of economics and mathematics are deleted, which is the least mathematics content in all postgraduate entrance examinations.

Number three is economic mathematics, which is comprehensive in content, but simpler than number one.