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 chinese concept count counting economy education equipment finance financial flat frame green icon inches isolated isometric learning math mathematical mathematics number object old orange red retro row school square subtraction symbol tool 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 Illustration. |
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