1, "experimental class" has a large number of questions, and the number of questions is difficult. Each unit will be equipped with difficult Olympic math questions, which is suitable for children with good grades and flexible thinking.

2. The topic of the "experimental class" test paper is almost equal to that of the senior high school entrance examination. Classic question, hit the nail on the head. If you master the basic knowledge and use it flexibly, you will have an advantage in the Z exam. Beijing Normal University Press, referred to as Beijing Normal University Press for short, is one of the fastest-growing university publishers since the reform and opening up, and also one of the most influential education publishers in China.