Mathematics for the postgraduate entrance examination of Chinese Academy of Sciences is A, B and C, but the numbers one, two and three are found on the postgraduate enrollment information network. Does it correspond? First of all, mathematics A, B and C of Chinese Academy of Sciences are different from numbers 1, 2 and 3. Numbers 1, 2 and 3 are national unified propositional mathematics exams, while mathematics A, B and C of Chinese Academy of Sciences are independent propositions of Chinese Academy of Sciences.

Mathematics is a student of science and engineering. The content of the exam includes advanced mathematics, linear algebra, probability theory and mathematical statistics, and the content of the exam is the most.

Mathematics is the second test for students applying for agronomy. The content of the test is only high number and linear algebra, and the high number is deleted more and is the least.

Math 3 is an exam for students who apply for economics. The contents of the examination are advanced mathematics, linear algebra and probability statistics. The high number part mainly focuses on the investigation of calculus, and there is no hypothesis test and confidence interval in probability statistics.

Mathematics A, B and C of Chinese Academy of Sciences are aimed at different majors of Chinese Academy of Sciences.