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Sum Power Digit Determination (Posted on 2014-07-12) Difficulty: 3 of 5
Determine the last digit of:

12 + 23 + 34 + 45 + .......+ 20142015

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
re: Shortcut solution erratumAdy TZIDON2014-07-13 10:20:08
SolutionPaper and pencil solutionSteve Herman2014-07-13 09:38:57
SolutionShortcut solutionJer2014-07-12 23:51:27
Solutioncomputer solutionCharlie2014-07-12 12:30:34
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