then ab + ba is divisible by 9.

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Example 9 : Let ab be a two-digit number, then ab + ba is divisible by 9.
10
Aug
Example 9 : Let ab be a two-digit number, then ab + ba is divisible by 9. Example 9 : Let ab be a two-digit number then ab + ba is divisible by 9. August 10, 2021 Category: Chapter 16 - Playing with Numbers , Maths , NCERT Class 8 ,
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