1. The mathematics course difficulty of the preparatory classes for ethnic minorities in Hulunbeier College will be different due to different individual learning ability and mathematics foundation. The mathematics curriculum in the preparatory class will be more in-depth and comprehensive than that in the senior high school, covering more mathematical concepts and applications.

2. The mathematics courses of the preparatory class will include algebra, geometry, probability and statistics, and the concepts and methods of advanced mathematics will also be introduced. The curriculum will pay more attention to theory and deduction, and cultivate students' mathematical thinking and problem-solving ability.