Explain how an Abacus works doing addition and subtraction
arithmetic.
Cylinders left to right, “100” then “20”...
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Advance Math
Explain how an Abacus works doing addition and subtractionarithmetic.
Cylinders left to right, “100” then “20” then “5” then “1”. The“100” has a quantity of 5 tokens. The “20” has a quantity of 4tokens. The “5” has a quantity of 3 tokens. The “1” hasa quantity of 4 tokens.
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Addition The abacus is used for performing the addition operation at high speed It consists of vertical rods and movable beads The vertical rods are placed in a serial manner with movable beads on each vertical rod A horizontal bar called beam separates the lower portion and upper portion of the abacus The upper portion of the abacus is called upper deck and the beads placed in the upper deck are called upper beads The lower portion
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