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2012 sum Digit (Posted on 2013-04-23) Difficulty: 3 of 5
Find the last digit of the sum
S=1^1+2^2+3^3+4^4.....+2012^2012

No Solution Yet Submitted by Danish Ahmed Khan    
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Grade inflation | Comment 1 of 4
How could this possibly be difficulty 3?  It solves in under a minute, and I almost did it in my head.
  Posted by Steve Herman on 2013-04-23 12:05:12
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