Math equations and formula written in chalk on messy chalkboard or blackboard background. School or scientific research concept.

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Size: 5616px × 3744px
Photo credit: © Leigh Prather / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: algebra, black, blackboard, board, chalk, chalkboard, class, classroom, education, equation, equations, formula, geometry, learn, math, mathematical, mathematics, physics, research, school, science, scientific, symbols, theory, university