1, Sheng Da Mathematics is a formal mathematics education course certified by Tencent Classroom Online Education Platform, which is credible.

2. The math teacher in Sheng Da is an excellent teacher, who has mastered the mathematical model of the college entrance examination and is committed to making students take fewer detours. Sheng Da Mathematics covers all the required and difficult questions in the new curriculum standard college entrance examination, and its teaching knowledge is extensive and reliable.