blue abacus icon isolated white 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 child chinese circle concept count counting education equipment finance financial flat frame game icon inches isolated learning math mathematical mathematics number object old retro round row school subtraction symbol tool toy traditional vector vintage white wood wooden work |
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| Blue Abacus icon isolated on white background. Traditional counting frame. Education sign. Mathematics school. Blue circle button. Vector. |
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