abacus

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Size: 5315px × 3539px
Photo credit: © blickwinkel/McPHOTO/BEG / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: abaci, abacus, abacuses, arithmetic, calculating, calculator, close, close-, closeup, closeups, economy, format, hand, hands, horizontal, learning, machine, mathematic, mathematics, maths, mcphoto, playful, playfully, problem, rule, slide, ups, view