1, high school is three years, not one year. Even if you can stay in Grade One now 150, there is no guarantee that you will get good grades in Grade Three or the college entrance examination in the future. When I was a freshman, my grades were generally higher. If you really want to learn math well, you should revise the accumulated wrong questions, make a summary every month, make the notebook thick first, review it again, and be thinner. There is also a mathematical system.

2. Variant questions that are not afraid of innovation and change, and finally certain training. There are always people who say that the tactics of asking questions are not good, so reduce the number of questions. As we all know, only by practicing more can we improve the speed and proficiency of doing problems. After senior three, sometimes it's not that you can't do the questions, but that you don't have enough speed, and so do other subjects.