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Subtract 010 and 001 from 111 - JSS3 Mathematics Addition and Subtraction of Numbers in Base 2 Numerals Question

Subtract 010 and 001 from 111.

First, subtract 010 from 111:

    111

  - 010

  -----

    101

 

Next, subtract 001 from 101:

    101

  - 001

  -----

    100

 

111−010−001=100

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