Boutique. According to the related data of Quan Yi's seventh-grade math exercises, Quan Yi's seventh-grade math exercises are excellent in junior high school math workbooks, which are suitable for teachers and students to practice. This workbook is divided into two parts, the first part is the lecture manual, and the second part is the homework manual. The difficulty is moderate, and there are many typical examples, all of which are essence and very practical, which are beneficial for children to master knowledge and improve their grades.