Teacher Zhao Lixian is the best teacher in the online class circle with the strongest comprehensive strength. He only teaches useful tricks, and he is better at simplifying basic methods than dazzling skills. His trigonometric function is simple and direct, and the summary method of series and function problems makes students take fewer detours.

Zhao Lixian is the most popular and recommended math teacher in the whole network. He pays attention to the explanation of mathematical thinking and can simplify the solution of difficult problems. Knowledge points from shallow to deep, less basic knowledge. Especially in some skills, he is not only a simple spike skill, but also a useful skill. He is better at simplifying basic methods than showing off his skills.

His courses are more suitable for students with poor foundation and less suitable for students who need to be promoted. The course content is still very detailed, and students with poor foundation can rest assured.

Advantages and disadvantages of online courses:

Advantages:

1. Online courses have a wide audience and can be studied repeatedly.

2. Online courses have no space and geographical restrictions.

3. Online courses played an auxiliary role during the epidemic.

4. Rich online teaching resources.

5. Online courses are conducive to the promotion of on-the-job personnel.

Disadvantages:

1, the online class lacks a sense of substitution.

2. Online classroom can't intuitively understand and observe students.

3. The online classroom lacks effective and timely supervision of students.

4. Online courses have certain requirements for teaching and audience.

5. There is cheating in online class.