black line abacus icon isolated seamless pattern green background traditional counting frame education sign |
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| navigate by keyword : abacus education wooden mathematics calculator tool traditional counting toy child vector seamless pattern random icon isolated green line linear contour outline art lineart 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 |
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| Black line Abacus icon isolated seamless pattern on green background. Traditional counting frame. Education sign. Mathematics school. Vector. |
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