There is only one way, do more questions and stick to it every day. Mathematics is the first and second method in our class. It's enough to ask questions about tactics and mathematics. What's wrong in the exercise book? If you copied the answer before, let parents ask questions that parents think are difficult. After all, parents have a lot of knowledge. Also, pay attention to examination and calculation. Don't always call it sloppy after the exam. Quote a famous saying of our head teacher: Yes, you should do it right. To improve computing power. Is to read the big characters in the book first, and it is best to recite them. The most important thing now is to test the triangle. If you are the People's Education Edition, focus on triangles, bisectors and median lines. I hope I can help you play with your hands. I'm going to chew my book. You need to get off the net at once. You can't play anymore.