According to the query of China Graduate Admissions Information Network, the difficulty of 20 1 1 Mathematics 1 is below average, and there are no biased, difficult and strange questions, which meet the requirements of the examination objectives stipulated in the examination syllabus issued by the Ministry of Education. Understand the basic concepts and theories of mathematics systematically, master the basic methods of mathematics, and have the ability of abstract thinking, logical reasoning, spatial imagination, calculation and comprehensive application of learned knowledge to analyze and solve problems.