View of mathematical expressions drawed on chalkboard

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Size: 5493px × 3291px
Photo credit: © Giuseppe Anello / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: algorithms, backgrounds, billboard, blackboard, chalk, chalkboard, classroom, communication, concepts, drawed, drawing, education, expressions, formulas, frame, handwriting, mathematical, message, school, schoolhouse, university, view