black abacus icon isolated white background traditional counting frame education sign mathematics school silver |
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| navigate by keyword : abacus accounting ancient antique arithmetic background bead beads business button calculate calculation calculator chinese concept count counting economy education equipment finance financial flat frame gold golden icon isolated learning math mathematical mathematics number object obsolete old retro row school silver square 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. Silver-gold square button. Vector Illustration |
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