1, teachers. Dr. Yang's Ann Mathematics Education Group has a teaching team composed of many senior experts, such as doctor of mathematics, master of mathematics and doctor of education. He has rich mathematics teaching experience and unique educational methods, and can carry out differentiated and personalized teaching according to students' different knowledge levels and learning needs.

2. Teaching content system. The curriculum system of Dr. Yang's mathematics course covers all fields of mathematics and all levels of difficulty, and scientific and systematic teaching is carried out according to students' mastery to help students establish a comprehensive mathematical knowledge system.