1. Examination content changes: The mathematics syllabus for postgraduate entrance examination is adjusted every year, and the new examination content may increase the difficulty. For example, the overall difficulty may be improved by examining higher mathematics, linear algebra and other advanced mathematical knowledge.
2. Changes in the types of questions: Changes in the types of questions will also affect the test difficulty. For example, it may be more difficult for some candidates to increase the inspection of proof questions.
3. Changes in test requirements: If the test requirements are improved, such as the speed and accuracy of solving problems, the test difficulty will also increase accordingly.
4. Changes in the level of candidates: The overall level of candidates will also affect the difficulty of the exam. If the overall level of candidates improves, the test difficulty may increase accordingly.
5. Changes in social environment: Changes in social environment may also affect the test difficulty. For example, the demand for highly educated talents in society increases, and the competitive pressure of postgraduate entrance examination may increase, thus increasing the difficulty of the examination.
Generally speaking, the difficulty of mathematics postgraduate entrance examination may be improved in 2023, but the specific situation needs to be judged according to the examination outline and actual situation of that year. Candidates are advised to make preparations in advance, strengthen their study and understanding of basic knowledge, and improve their problem-solving ability and test-taking skills in order to cope with the possible increase in difficulty.