line abacus icon isolated blue background traditional counting frame education sign mathematics school colorful |
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| navigate by keyword : abacus accounting ancient antique arithmetic art background bead business calculation calculator child color colorful concept contour count counting education equipment finance flat frame game icon isolated learning line linear lineart logo logotype math mathematical mathematics number object old outline retro school subtraction symbol tool toy traditional vector vintage wood wooden |
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| Line Abacus icon isolated on blue background. Traditional counting frame. Education sign. Mathematics school. Colorful outline concept. Vector. |
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