It is easier to score on the basis of the early stage, but it is more difficult to score on the mathematical thinking in the later stage. The exercise of mathematical thinking needs long-term accumulation and practice, and it can't be done overnight.

Junior high school students' academic examination, referred to as "senior high school entrance examination", is an examination to test whether junior high school graduates have reached the graduation level of junior high school. It is a necessary condition for the issuance of junior high school diplomas. In China, these subjects are designated as subjects of national curriculum, and all of them are included in the scope of junior high school level examination. The senior high school entrance examination time is generally around June 20. The provinces and cities in China are not unified, which is calculated according to local time.