white abacus icon isolated blue background traditional counting frame education sign mathematics school circle |
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| navigate by keyword : abacus accounting ancient antique arithmetic background bead beads blue business button calculate calculation calculator chinese circle concept count counting economy education equipment finance financial flat frame isolated learning math mathematical mathematics number object obsolete office old retro row school shadow subtraction symbol tool traditional vintage white wood wooden work |
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| White Abacus icon isolated on blue background. Traditional counting frame. Education sign. Mathematics school. Circle blue button with white line. Vector Illustration |
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