Mathematics in the senior high school entrance examination is a comprehensive subject, which requires students to master extensive mathematical knowledge and problem-solving skills. Mathematics examination papers for senior high school entrance examination usually contain multiple-choice questions, fill-in-the-blank questions, calculation questions and solution questions, involving algebra, geometry, probability and other mathematical fields. Candidates need to answer a lot of questions in a limited time, and for some difficult questions, they need to use in-depth mathematical thinking and reasoning ability to answer. Therefore, it is difficult to get full marks in mathematics in the senior high school entrance examination, which requires candidates to have a solid mathematical foundation and good problem-solving ability.