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  • 22-08-2021
  • Computers and Technology
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4. What is an Abacus?​

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chibunduoyibe
chibunduoyibe chibunduoyibe
  • 22-08-2021

Explanation:

an abacus is a simple device for calculating, consisting of a frame with rows of wires or grooves along which beads are slid.

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