black abacus icon isolated white background traditional counting frame education sign mathematics school yellow |
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| navigate by keyword : abacus education wooden mathematics calculator tool traditional counting toy child vector icon isolated yellow black speech bubble game frame count background wood object business flat accounting math finance retro calculation old school subtraction antique learning vintage arithmetic mathematical ancient bead number concept equipment symbol financial work inches row chinese economy |
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| Black Abacus icon isolated on white background. Traditional counting frame. Education sign. Mathematics school. Yellow speech bubble symbol. Vector. |
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