line abacus icon isolated white and black 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 color colorful concept contour count counting education equipment finance financial flat frame green icon isolated learning line linear lineart math mathematical mathematics number object old outline purple retro row school subtraction symbol tool traditional vector vintage wood wooden work |
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| Line Abacus icon isolated on white and black background. Traditional counting frame. Education sign. Mathematics school. Colorful outline concept. Vector. |
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