What is Mental Abacus ? Please let me know about this .
What is Mental Abacus ? Please let me know about this briefly with some examples.
  • Priya Verma
  • Priya
  • 15 mar.
  • 145 Visto
  • 1 Responder

1 Answer
  • In  mental Abacus users mentally visualize an abacus to do calculations. No physical abacus is used, only the answers are written down. Calculations can be made at great speed in this way.


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