isometric abacus icon isolated blue background traditional counting frame education sign mathematics school |
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| navigate by keyword : abacus accounting ancient antique arithmetic background bead blue business button calculation calculator chinese circle concept count counting economy education equipment finance financial flat frame icon inches isolated isometric learning math mathematical mathematics number object obsolete old retro row school subtraction symbol tool traditional vector vintage white wood wooden work |
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| Isometric Abacus icon isolated on blue background. Traditional counting frame. Education sign. Mathematics school. Blue circle button. Vector Illustration. |
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