SOLUTION: Find the sum of the digits of the number 6+66+666+6666 + ... +666...66, where the last number contains 100 digits.

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Question 1162318: Find the sum of the digits of the number 6+66+666+6666 + ... +666...66, where the last number contains 100 digits.
Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
.

See the lesson
    - Miscellaneous evaluating problems
in this site, Problem 6.

It is a TWIN problem to your problem.

Read the solution attentively, and then modify the solution to your case.


Happy learning (!)