abacus full view
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
abacus full view |
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| navigate by keyword : abacus accounting addition ancient antique arithmetic asian bar bead black brown business calculation calculator china chinese compute computer count device dusty economy equals finance financial frame instrument isolated learn learning math mathematical mathematics numbers numerical office old retro school series subtract subtraction symbol tool total traditional vintage white wood wooden |
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| Complete abacus in full view. It is two step beads system which is used for calculating. Isolated on white background. |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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