An abacus is a simple calculating device. It consists of a frame set with roods on which beads or balls are moved., vector, color drawing or illustrat

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An abacus is a simple calculating device. It consists of a frame set with roods on which beads or balls are moved., vector, color drawing or illustration.

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Size: 5000px × 4713px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

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