2. The most important thing in mathematics is theory+practice. The theory is to listen carefully in class, remember and understand every knowledge point, clearly define what, and then practice is to do more questions after class, which is also the most important. Only by constantly doing more questions can practice make perfect, deepen the image and improve the understanding ability.
3, the exercises after class are relatively simple, all written according to the knowledge points of the textbook, and that point is not enough. Hi, you'd better buy a synchronous material yourself, the kind corresponding to the answer to the question. Do it yourself first, and then change the answer.
Don't be afraid of ugliness if you don't know how to ask teachers and classmates more. There's nothing ugly about it. I believe they will be patient and willing to answer your questions.
Come on, classmate