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Tiro de perto de uma mão segurando giz e escrevendo equações matemáticas no quadro negro. Conceito de educação.

Tiro de perto de uma mão segurando giz e escrevendo equações matemáticas no quadro negro. Conceito de educação. - Banco de fotos e imagens

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Close-up shot of a hand holding chalk and writing mathematical equations on the blackboard. Education concept.

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$Teacher or student writing on blackboard during math lesson in school classroom. - Foto, Imagem$

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