1. Enrollment target: The basic mathematics classes are usually selected for students with high mathematical talent and potential, and the enrolled students have certain advantages or potential in mathematics. Ordinary classes enroll students according to their comprehensive quality and grades.

2. Teaching methods: Basic mathematics courses usually adopt flexible exploratory teaching methods to encourage students to think independently and actively participate in mathematics competitions and research projects. The teaching methods of ordinary classes are relatively more traditional, focusing on mastering basic knowledge and improving test scores.