white line abacus icon isolated blue background traditional counting frame education sign mathematics school long |
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| navigate by keyword : game abacus toy education wooden children vector mathematics symbol calculator icon isolated long shadow line linear contour outline art lineart equipment background wood tool child concept traditional school counting flat object frame count retro number old business vintage accounting math finance calculation office subtraction antique learning arithmetic mathematical ancient bead |
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| White line Abacus icon isolated on blue background. Traditional counting frame. Education sign. Mathematics school. Long shadow. Vector. |
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