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