Calculus, linear algebra, probability theory and mathematical statistics. 303 Mathematics Three Points refers to the "Three Outline of Postgraduate Mathematics", which is the examination outline of Postgraduate Mathematics Three (subject code 303), including calculus, linear algebra, probability theory and mathematical statistics. It is required to understand the concept and master the representation, so that the functional relationship of the application problem will be established. Among them, the examination form is 150, and the examination time is 180 minutes; The answer methods are closed book and written test. The content structure of the test paper is calculus 60%; Linear algebra 20%; Probability theory and mathematical statistics 20%, the test paper structure is 10 multiple-choice questions, with 5 points for each question and * * * 50 points; Fill in the blanks with 6 small questions, with 5 points for each question and 30 points for * * *; Answer (including proof questions) 6 small questions, ***70 points.