isometric abacus icon isolated orange and red background traditional counting frame education sign mathematics |
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| navigate by keyword : abacus education wooden mathematics calculator tool traditional counting frame count vector icon isolated isometric circle yellow orange red button 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 row chinese economy obsolete |
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| Isometric Abacus icon isolated on orange and red background. Traditional counting frame. Education sign. Mathematics school. Circle button. Vector. |
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