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Addition and subtraction of numbers in Abacus are done using

Computer Studies
WAEC 2024

Addition and subtraction of numbers in Abacus are done using

  • A. bars.
  • B. beads.
  • C. frame.
  • D. string.
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Correct Answer: Option B
Explanation

B: (beads)  
Addition and subtraction of numbers in an abacus are done using the beads. 

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