First of all, regardless of the level, we should pay attention to textbooks (all textbooks for junior high school for three years), and remember the concepts and theorems in the books first, not only to remember, but also to understand. You can judge your memory and comprehension according to the examples and exercises in the book. If you don't or do something wrong, you must find a classmate and teacher to solve it. The math score in this step should be about 90 points, out of 120.

Second, if you have the energy to buy another exercise, do it. I usually use "winning the championship lightly" and our "guidance for further studies" for students. Do it, don't look at the answer, do it seriously. Check and fill in the blanks according to the answers. No, the problem must be solved.

Third, in terms of problem-solving skills, the most important thing is to carefully examine the questions, and then carefully, carefully, carefully!

Remember, heaven rewards hard work! I hope it will help your study!