1. Applied Economics in Economics. Statistics, quantitative economics, two disciplines, major.
2. Business administration, technical economy and management are two disciplines, and the major is the first-class discipline of business administration.
3. There are two disciplines, one is a major with higher requirements for mathematics in the first-level discipline of management, agriculture, forestry and economic management.
College mathematics and high school mathematics are not the same thing at all. The connection is not very big. The advanced mathematics of Math III mainly tests calculus, and linear algebra is the operation of matrix and vector. Well, probability, something very simple, has something to do with high school knowledge.
Math 3 is definitely much more difficult than high school math. But as long as you have mathematical thinking, it is not difficult to learn! Math 3 is easier than math 1. I want to take the postgraduate entrance examination! Come on!