Mathematics diligent study in junior high school is a classroom exercise with simple questions and low difficulty, which is suitable for students with poor foundation. The fifth and third are comprehensive exercises, which are difficult and contain real questions from famous schools over the years, and are suitable for students with good foundation.

Diligent study early and May 3rd are both junior high school math exercise books. Workbooks are supplementary materials for various subjects, which can help students improve their grades.