Because the simple 100 excellent course learning machine and lessons have been widely praised, many students and parents like it. Equipped with 200,000 excellent video resources, the middle school has 9 subjects and 3 grades, and you can learn at any time if you have any questions, so it is reliable.

Simple 100app has a junior high school resource library, which is equivalent to a knowledge dictionary. Parents and children choose to use it when they need it, mainly in junior high school and nine subjects.