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Published: 2016-09-26 10:10:26.895614 Category: Misunderstandings Type: Photo Model release: No
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Mathematical error on blackboard

Contributor: staraldo
ID : 121788226
TitleFilesize
Photo4500x3000


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Keywords
mathematic, error, blackboard, wrong, education, blackboard, mistake, board, lesson, school, stupid, symbol, sum, mathematic, plus, addition, arithmetic, exam, algebra


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