Sister, like you, I got more than 20 points in high school. I'm really anxious. Near the third year of high school, more than 20 points in mathematics could not be admitted to the university. The total score 150, more than 20 points means that I haven't even mastered the most basic things, and then I began to recite definitions and formulas. I must understand them from the simplest point of view, and then they will be stable at around 50, 60 in about two months. At this time, with the foundation, I can do some moderate questions, skip the difficult ones and make typical examples. Then there is brushing questions, not blindly brushing questions, but mastering the questions you have mastered to reduce mistakes, and there is a wrong book, not writing one by one, but finding different problems based on your own mistakes. Then don't give up when you don't understand. If you want to ask, ask the teacher and classmates. That's what I did. Mathematics spent the most time at that time, because that was my shortcoming, and it was really not easy. Finally, I got more than 90 in the college entrance examination, and I was very satisfied. In short, confusion and helplessness are inevitable, but as long as you work hard, you will be in time. Let's go