③30 1 Mathematics 1: Recommended
Higher Mathematics Tongji University Editor-in-Chief Higher Education 6th Edition Volume I and Volume II.
Tongji University Edition Linear Algebra
Probability theory and mathematical statistics Zhejiang University Edition
Li Yongle's math review book-Chen Wendeng's "Guide to Mathematics Review for Postgraduate Entrance Examination" is also good.
Buy another calendar year real problem.
These can be bought in any bookstore near the Polytechnic University.
805 Mechanical Principles: Mechanical Principles, edited by Northwestern Polytechnical University, Sun Huan, etc. , Higher Education Press, seventh edition.
8 12 mechanics of materials: fifth edition, Liu Hongwen, Higher Education Press, 20 10.
82 1 Circuit Qiu Guanyuan, Circuit (5th or 4th edition), Higher Education Press.