black abacus icon isolated white background traditional counting frame education sign mathematics school set |
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| navigate by keyword : abacus accounting ancient antique arithmetic background bead beads business calculate calculation calculator chinese color colorful concept count counting economy education equipment finance financial flat frame icon inches isolated learning math mathematical mathematics number object obsolete office old retro row school set subtraction symbol tool traditional vector vintage wood wooden work |
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| Black Abacus icon isolated on white background. Traditional counting frame. Education sign. Mathematics school. Set icons colorful. Vector Illustration. |
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