1, the difficulty is not one degree. There are many class hours. First of all, the content is more comprehensive. Let's talk about it. Those who have less class hours will give up part of the content, and there is the depth problem, which is full, wide and deep.
2. Advanced mathematics is a basic subject formed by calculus, algebra, geometry and their overlapping contents. Its main contents include series, limit, calculus, spatial analytic geometry and linear algebra.