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How to watch the synchronous teaching course of mathematics in the second volume of the third grade on network TV
Search for courses on your mobile phone, and then project the screen.

1. Open the settings.

2. Click "More Connections".

3. Click "Mobile Phone Projection".

4. Open the Wireless Projection Screen.

5. Click on the TV to be projected.

6. Open the browser.

7. Search for "Public Service Platform of Basic Education Resources in Henan Province".

8. Choose the entrance and enter through Channel 3.

9. Select the course to watch, and then click the "Play Course" button to watch it on TV.