Mathematics in the experimental class is the star product of the experimental class. The difficulty of basic questions and optimization training is progressive and appropriate. If the foundation is lacking, you can do more basic questions. If the foundation is good, you can skip some basic questions and pull them up directly.
The experimental class question bank is a series of exercise books of compulsory education curriculum standard experimental teaching materials newly developed by Jiangsu Chunyu Education Group. It includes many grades and disciplines.