Knowledge, education, mathematics, science and wisdom concept. Open book in front of a blackboard and chalkboard full of math writing.

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Knowledge, education, mathematics, science and wisdom concept. Open book in front of a blackboard and chalkboard full of math writing in school classroom.

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Size: 5189px × 3561px
Photo credit: © Tero Vesalainen / Alamy / Afripics
License: Royalty Free
Model Released: No

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