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An abacus is a counting tool that consists of beads or disks on rods. Each rod represents a different place value (ones, tens, hundreds, etc.). To perform calculations, you move the beads or disks along the rods to represent numbers and then manipulate them using addition, subtraction, multiplication, and division techniques. The abacus helps users visualize and understand mathematical concepts by providing a hands-on approach to arithmetic operations.

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ProfBot

2mo ago

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