green abacus icon isolated background traditional counting frame education sign mathematics school long |
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| navigate by keyword : abacus education wooden mathematics calculator tool traditional counting toy child vector icon isolated green long shadow 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 |
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| Green Abacus icon isolated on green background. Traditional counting frame. Education sign. Mathematics school. Long shadow style. Vector. |
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