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