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focusing on paper which concentrated elementary school kid calculating and writing while learning how to calculate number addition lesson in mathematics class at school. asian student wearing eyeglasses doing homework of number addition on paper. - sum up stock videos & royalty-free footage
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Focusing on paper which concentrated elementary school kid calculating and writing while learning how to calculate number addition lesson in mathematics class at school. Asian student wearing eyeglasses doing homework of number addition on paper.
Mathematics, Child
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