1, basic knowledge strengthening: senior high school 126 recruit mathematics This book provides high school students with basic knowledge of mathematics and helps students deepen their understanding of mathematical concepts and principles. Master basic mathematical operation skills and lay a solid foundation for subsequent study.

2. Cultivation of problem-solving thinking: This book not only pays attention to the study of mathematical knowledge, but also pays more attention to cultivating students' problem-solving thinking and problem-solving ability. By learning these skills, students can learn to analyze problems, extract key information, and use appropriate methods to solve problems. The cultivation of problem-solving thinking is of great significance to the improvement of students' comprehensive quality and their future study.