A math course can make students have fun in the field of mathematics by guiding them to analyze problems, summarize laws and explore ways to solve problems, which is very suitable for students with poor foundation who can't learn by themselves.

The course content of One Number covers all the important knowledge points of high school mathematics, such as function, geometry, derivative, probability and statistics. But different from traditional classroom teaching, Yidu pays more attention to the explanation of problem-solving ideas and helps students cultivate flexible thinking methods and problem-solving ability.