School supplies in classroom. Blackboard or chalkboard in class. Teaching, lesson, lecture and science concept.
School supplies in classroom. Blackboard or chalkboard in class. Teaching, lesson, lecture and science concept. Math equation written in the background.
Size: 5416px × 3632px
Photo credit: © Tero Vesalainen / Alamy / Afripics
License: Royalty Free
Model Released: No
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