Excellent school, what's the use of mine

Save the picture.

I can save the mistakes in the pictures for review and study.

"Youxue School" is a brand of Shenzhen Youxue Tianxia Education Development Co., Ltd., which provides students, parents and teachers in the field of K 12 education with intelligent interactive educational equipment such as special educational flat. It owns intelligent terminals (student tablet, children tablet) with "excellent learning brand".