If you are a junior high school student, don't worry, please let me help you with your lessons, and at the same time make sure that you study hard and improve effectively in a short time.

If you are in high school, don't worry, because getting into high school proves that you have basic mathematical logic. Well, if you are weak, do more basic questions. If you can't, ask me The questions with medium to high difficulty will be put aside for the time being, so that the score of the paper with a full score of 150 can be guaranteed to be around 1 10.