The difficulty of improving the homework part is still relatively large, which is similar to the difficulty of improving the expansion part after one lesson and one practice. Generally speaking, this set of books is still based on basics, which is similar to the difficulty of practicing in a class of East China Normal University Edition.

According to the latest textbooks, "Synchronous Training of Top Mathematics Students in Grade 7 in the 20021-2022 School Year and Excellent Topics (Zhejiang Education Edition)" selects the latest questions, which are jointly created by the front-line teachers of the subject network, and the classic real questions are reproduced.