2. Be sure to listen carefully and take more notes in class. You don't have to ask the teacher. Don't ask now, there will be no chance in the future.
3. Don't play computer, watch TV and go out with classmates.
4. From now on, give yourself a rule to do math problems every day, and you must make many mistakes, not less than three, and write three more mistakes together, and go on and on, at least to ensure that the calculation is not deducted.
5, multi-back definition, you can set the formula, the formula should be understood.
6. Read through the math book first and see what you know first.
That's all. I wish you good grades! ! !