black line abacus icon isolated white background traditional counting frame education sign mathematics school |
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| navigate by keyword : abacus accounting ancient antique arithmetic art background bead black business calculation calculator chinese concept contour count counting education equipment finance financial flat frame icon inches isolated learning line linear lineart math mathematical mathematics number object old outline retro row school subtraction symbol tool traditional vector vintage white wood wooden work |
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| Black line Abacus icon isolated on white background. Traditional counting frame. Education sign. Mathematics school. Random dynamic shapes. Vector Illustration. |
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