abacus

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abacus

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Size: 3864px × 2525px
Photo credit: © Volker Pape / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abacus, add, assistance, ball, black, blue, calculate, calculation, colorful, cutout, detail, green, isolated, math, plastic, red, rule, school, slide, white, yellow