Rear view of Asian schoolboy solving math problem on chalkboard in classroom at school. He is doing multiplication 4k

Name: Rear view of Asian schoolboy solving math problem on chalkboard in classroom at school. He is doing multiplication 4k
Uploaded: 2019-05-27
Duration: 7 s
Channel: wavebreakmediamicro
Description: Rear view of Asian schoolboy solving math problem on chalkboard in classroom at school. He is doing multiplication 4k