isometric line abacus icon isolated green and blue background traditional counting frame education sign |
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| navigate by keyword : abacus education wooden mathematics calculator tool traditional counting frame count vector icon isolated isometric silver green blue square button line linear contour outline art lineart background wood object business flat accounting math finance retro calculation old school subtraction antique learning vintage arithmetic mathematical ancient bead number concept |
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| Isometric line Abacus icon isolated on green and blue background. Traditional counting frame. Education sign. Mathematics school. Silver square button. Vector. |
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