1. Teaching method: 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 directly improve your level. Trojan horse class practice is unified teaching, so the experimental class is good.

2. Question bank: The question bank of the experimental class is a series of supporting exercise books for the standard experimental teaching materials of compulsory education courses newly developed by Jiangsu Chunyu Education Group. It includes many grades and disciplines. Therefore, the experimental class is good.