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 business calculation calculator chinese concept contour count counting education equipment finance financial flat frame gold golden icon isolated learning line linear lineart math mathematical mathematics number object old outline retro row school silver subtraction symbol tool traditional vector vintage wood wooden work |
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| Black line Abacus icon isolated on white background. Traditional counting frame. Education sign. Mathematics school. Silver-gold circle button. Vector Illustration. |
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