There are many kinds of mathematics teaching in the seventh grade, such as the improved version and the peak list of making a mountain out of a molehill. It's hard to make a mountain out of a molehill, and it's also a good tutorial. The entrance examination questions are suitable for raising height. As for the competition, we can also make a small blueprint with a set of new ideas and excellent teaching materials. It is recommended to choose one or two books, otherwise you will be too busy.