1, Wang Ziyue, graduated from Harbin Institute of Technology. As an S-class teacher and lecturer of Xuesisi Online School, she won the "excellent" award. She is familiar with the mathematics system of the national college entrance examination, and is good at solving mathematics with universal solutions to win the college entrance examination.

2. Wang Jiaqing, the leader of Happy Mathematics, was born in Shandong University, majoring in basic mathematics, and was well versed in the direction and style of college entrance examination propositions all over the country.