abacus
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
abacus |
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| navigate by keyword : abacus add adding addition arithmetic bead beads blue calculate calculation calculator colored colorful compute computing count counting education educational green macro manual math mathematics numeric preschool red rows school slide sliding sum system toy wood wooden yellow |
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| Close-up view of a colorful educational toy: abacus |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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