1, preview: targeted. Watch the content of the lecture twice a day in advance, mark what you don't understand and skip it all. Go back and make up what you learned before. Not all of them understand, which means that there are too many basic things missing, and I didn't understand what I learned before!

2. Q: Ask the teacher and ask the classmates. Not just asking how to do the problem, but asking a question, how do others solve the problem!

Mathematics, even if you are a doctoral student, you are still on the road pioneered by predecessors, and the methods of solving problems are similar. Only with sufficient accumulation can there be innovation.

3. Exercise: This is a process of getting familiar with problem-solving skills, which can't be saved. Do not advocate sea tactics; However, understanding does not understand.

A skill that can be used accurately in any environment is called mastering this skill.

4. Attending class: No, the teacher said it and recorded it there. Just listen to the class with questions and concentrate. After class, or during the break, take two notes quickly.

5, notes: written directly in the book, you can see at any time. There are really not many people who turn over their notes privately.