1. Open the speed matching job and click the "Find Answer" menu at the bottom of the interface.

2. Open the "Answer" interface and click the "I want help" button.

3. After opening the code scanning interface, aim at the barcode on the back of the textbook you use to scan.

4. After scanning, in the "Help Tips" interface, you will quickly give the answer to the textbook you are looking for. When you find that it is not what you want, click "Continue to ask for help" at the bottom.

5. After opening the "Fill in Help Information" interface, you need to fill in the title and cover photo in turn, and click on your grade and subject.

6. After filling out the form, click the "Publish for Help" button at the bottom, and an operation prompt box will pop up. After the netizen uploads the answer, you can find the answer.