Now there are many online learning softwares that allow you to study through mobile APP in your spare time. Synchronous classroom is a learning software used by many primary and middle school students. How to use it specifically? Please have a look at the tutorial I brought.

Synchronous classroom use tutorial:

First of all, you need to log in with an account, and friends without an account need to register and log in;

Operation 1: watch the video;

After entering mathematics, click "Textbook Explanation" on the navigation, find the chapter you want to read from the directory on the left, and click the chapter. Click on the video you want to watch on the right;

Operation 2: find exercises;

After entering mathematics, click "Workbook" in the navigation, select the desired chapter in the textbook directory on the left, and click "Start Test" on the right page;