According to today's headline report, the third year of high school must brush the topic "The first volume of senior two mathematics" to buy the first volume of compulsory mathematics, and the first volume of compulsory mathematics is synchronized with the first volume of senior two mathematics.

The compulsory question for senior high school is a synchronous supplementary book for senior high school edited by Yang Wenbin. High school textbooks divide knowledge points into three levels: class hours, sections and chapters, and set basic questions at different levels.