Numbers on blackboard

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Size: 3000px × 3092px
Photo credit: © Lasse Kristensen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, algebra, arithmetic, background, blackboard, calculation, chalk, chalkboard, classes, collection, college, decoration, design, education, figure, figures, funny, graphic, grunge, illustration, knowledge, learning, math, mathematical, mathematics, number, numbers, numeral, ornament, pattern, poster, primary, prime, school