isometric abacus icon isolated green and red background traditional counting frame education sign mathematics |
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| navigate by keyword : abacus accounting ancient antique arithmetic background bead business button calculation calculator child concept count counting education equipment finance financial flat frame game green icon inches isolated isometric learning math mathematical mathematics number object old orange red retro school square subtraction symbol tool toy traditional vector vintage wood wooden work |
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| Isometric Abacus icon isolated on green and red background. Traditional counting frame. Education sign. Mathematics school. Square button. Vector. |
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