Asked by Vinojjoseph
the sum of the digits of a two-digit number is 9.if 9 is added to the number, then its digits interchange their place. what is the difference in cube of the digits?
Answers
Answered by
Steve
t+u = 9
10t+u+9 = 10u+t
Now just find t and u, then answer the question.
10t+u+9 = 10u+t
Now just find t and u, then answer the question.
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