New thinking, new methods and broad vision are all works of Mr. Huang Dongpo. As teaching AIDS of junior high school mathematics, they have been highly praised by teachers, parents and students.

Among them, "big vision" mainly involves the content of the game, so I won't repeat it here. "New thinking" and "new methods" have always been considered as the best teaching AIDS in junior high schools, and many math teachers in elite schools will choose one of them as supplementary exercises.