Mathematics
Math lesson in school, blackboard with mathematical symbols
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Photo credit: © Desintegrator / Alamy / Afripics
License: Royalty Free
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Keywords: analysis, black, blackboard, board, chalk, class, concept, dirty, drawing, educate, education, function, learn, lecture, lesson, lines, math, mathematical, mathematics, natural, school, science, script, set, study, symbols, teach, university, writing