It is not difficult for the four provinces to take the entrance examination of mathematics. The details also vary from person to person. In 2023, Yunnan, Jilin, Heilongjiang, and Anhui were the specific provinces for the joint entrance examination of the four provinces. In previous years, the difficulty of the college entrance examination in these provinces was moderate, so the difficulty of the joint entrance examination in senior three and four provinces should be moderate. At present, the exam has not yet started, and the difficulty is unknown, but generally speaking, the difficulty of the exam will vary from person to person. According to the difficulty of college entrance examination questions in previous years, it should not be difficult to predict the joint entrance examination of senior three and four provinces this year.