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Beginning and End (Posted on 2015-07-11) Difficulty: 3 of 5
When the digit is placed at the beginning and end of a positive integer N, the new number is 99*N.

Find the smallest value of N.

See The Solution Submitted by K Sengupta    
Rating: 4.0000 (2 votes)

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Hints/Tips re: We're going to need more precision (spoiler) | Comment 4 of 6 |
(In reply to We're going to need more precision (spoiler) by Steve Herman)

...".multiply it by the smallest digit necessary ..."

which is clearly 1


" make it a length 22 number" = you mean length 21.

Edited on July 11, 2015, 11:23 am
  Posted by Ady TZIDON on 2015-07-11 11:19:02

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