1, illustrated with pictures and diagrams: there are a lot of graphs and charts to help students better understand the background of the topic and the process of solving problems, and to exercise students' ability of reading pictures and thinking in space.

3. Pay attention to thinking: there are detailed steps to solve problems, pay attention to guiding students to think and analyze problems, and cultivate students' mathematical thinking ability and innovation ability. Therefore, Jiangsu version of the first math problem solver is a very good teaching aid book.