mathematics and people concept. Mathematics at board. favorite subject. senior man teacher use math triangle tool. bearded tutor man at blackboard

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mathematics and people concept. Mathematics at board. favorite subject. senior man teacher use math triangle tool. bearded tutor man at blackboard. Black and white. back to school. copy space.

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Photo credit: © Roman Stetsyk / Alamy / Afripics
License: Royalty Free
Model Released: Yes

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