1, Fu Tianyu's online mathematics course is a video recorded by Fu Tianyu, a contributor of Peking University Tsinghua Publishing House, explaining the' method of mathematical seconds kill'. His teaching method is simple and can be well understood, which is convenient for people to review and deepen their memories.

2. Fu Tianyu's online math course sums up each short math lesson well, highlights the knowledge points, makes people know the knowledge points at a glance and deepens their memory.