Mathematics is a headache for graduate students, but it will be helpful to master some problem-solving ideas and skills. Mathematics problems for postgraduate entrance examination are relatively simple. For the objective questions, please refer to Teacher Mao's 20 17 Simplified Solution to the Objective Questions of Postgraduate Mathematics I (there are also numbers two and three). Solving problems is the key and difficult point. The methods and skills of solving common problems in mathematics for postgraduate entrance examination summarized by Mr. Mao are comprehensive and targeted review materials.