Algebra equation on blackboard 1

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Size: 4015px × 2670px
Photo credit: © Ingram Publishing / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: 1, algebra, blackboard, chalk, chalkboard, check, class, classroom, correct, corrections, education, equation, future, knowledge, learning, mark, math, mathematics, notation, numbers, root, school, square, white