First of all, if you don't do well in math, brushing the questions can have a certain effect. However, it should be based on some foundations. If students brush questions in school for a long time, plus the teacher's explanation in class, students' grades will indeed improve to a certain extent. In addition, they found the checkpoint and quick solution of this kind of problem when brushing the problem, which can ensure that similar problems can be done by themselves.

First of all, if you don't do well in math, brushing the questions can have a certain effect. However, it should be based on some foundations. If students brush questions in school for a long time, plus the teacher's explanation in class, students' grades will indeed improve to a certain extent. In addition, they found the checkpoint and quick solution of this kind of problem when brushing the problem, which can ensure that similar problems can be done by themselves.