Method : 9's complement of a number is obtained by subtracting all bits from 9.
1. Find 9's complement of 470
Note : 9's complement of a number is obtained by subtracting all bits from 999.
9's complement of 470 is
2. Find 9's complement of 670
Note : 9's complement of a number is obtained by subtracting all bits from 999.
9's complement of 670 is
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