It's hard. Mathematics refers to the science of studying the spatial form and quantitative relationship of the real world. Compared with high marks, it is more difficult for Wan Wei to make a breakthrough in mathematics, because Wan Wei's "Research on Examination Questions" is aimed at the real questions of the whole province over the years. A large part of the front is a summary of important knowledge points, corresponding to the arrangement of real questions over the years, followed by very difficult questions and special exercises. High Score Breakthrough is a book published by China University of Political Science and Law Press.