Where is Brother Cube's teacher?

Brother Fang is a teacher in Ningbo, Zhejiang. Fangge College Entrance Examination Mathematics 145+ Double First-class College of Science, and the key primary school Olympiad started from the fifth grade. Brother Fang thinks that good classes are not prepared, but come out. The course is well prepared and rich in content, but the students don't listen and the effect is not ideal. Pay attention to students' feedback, which is the guiding force to promote your continuous progress.