Abacus caclulator with colored beads

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Size: 3396px × 4936px
Photo credit: © Jon Helgason / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abacus, accounting, adding, balls, beads, book, calculate, calculation, calculator, chinese, colored, colorful, computing, count, counting, education, keeping, kindergarten, learn, learning, math, mathematic, metallic, multi, multiplication, numbers, numeric, preschool, school, subtraction, tool, wooden