It is more accurate, because this teacher Yang Chao who took the postgraduate entrance examination for mathematics is also quite famous. There is a lot of evidence when he was a duck, and then according to the level data of the postgraduate entrance examination in 2022. Several famous teachers, who took the postgraduate entrance examination in politics, then in political mathematics, and Tu, a famous English teacher, got many questions right.

Then as a sprint guide and live broadcast before the exam, there are many topics in the textbook, and then this is a publicity of their postgraduate institutions, and then I don't know if it is allowed or not. The specific words still depend on an evaluation of students. So on the whole, Yang Chao's math composition for postgraduate entrance examination is relatively accurate, because it is based on his propaganda.

Then Yang Chao, a math teacher who took the postgraduate entrance examination, has a good reputation and a good course.