Postgraduates majoring in real mathematics have great advantages in cross-examination. Almost all majors in economics and science and engineering can cross-test. Because both economics and science and engineering have to take math exams, you have a great advantage. Maybe you accidentally took the math test 140 or above.

I am majoring in electrical engineering, so I suggest you take the electrical engineering exam, because the employment of electrical engineering is quite promising now, and it can be said that it is a popular major in engineering. Electrical engineering takes math one, and at the same time, more than 98% of electrical engineering courses take the circuit principle, and as long as you have studied advanced mathematics, complex variable function and integral transformation, linear algebra and high school physics level, you can learn the circuit principle quite well by yourself. So as long as you have a good grasp, you can get more than 250 points if you get 500 points in the postgraduate entrance examination. As long as you can't pass English and politics, it's not a problem to get into a prestigious school. Tsinghua University, Xi Jiaotong University, Zhejiang University, Huazhong University of Science and Technology, North China Electric Power University, Shanghai Jiaotong University, Harbin Institute of Technology, etc. (Note: North China Electric Power is tested in power system analysis).

If you don't want to take the engineering exam, take the economics exam. Looking at the macro+micro part of western economics is also very advantageous, because the economics exam is math III.