1. Teacher Wang Rui graduated from University of Science and Technology Beijing and has 6 years of teaching experience. She is the head of the online juvenile class and the coach of the extraordinary class. Mr Wang Le is an ordinary online teacher. He is studying and thinking.
2. Teacher Wang Rui's teaching is characterized by step-by-step teaching, which enables students to digest conceptual theorems unconsciously, be good at guiding students and stimulate their mathematical calculation ability. However, Mr. Wang Le is only good at explaining subject textbooks and lacks experience in stimulating students' abilities, so Mr. Wang Rui is good.