The problem now is that if you haven't learned it, it's still very difficult. However, if you want to take the 14 postgraduate exam, the problem is not very big, because although the task is heavy, there is still time.

It is suggested to arrange the time reasonably, and never fish for three days and dry the net for two days. Although there are a lot of mathematics contents, there are still rules to follow in learning because of its strong logic and concentrated knowledge points.