In fact, we should learn to preview, mark what we don't understand, and listen carefully when the teacher speaks in class.

Thirdly, listen carefully in class, and the teacher should take notes on the supplementary knowledge. Ask teachers and classmates after class if you don't understand.

Fourth: Do your homework yourself. Get into the habit of thinking.

Finally: learn to summarize and master methods and skills.

In short, you should think more about mathematics and really understand it.

I wish you progress in your study.