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Odd and Even (Posted on 2014-04-23) Difficulty: 2 of 5
Solve:
   
  E E O 
+ E O O 
---------
O E O E
Given that:
  1. The above alphanumeric equation uses each of the digits from 0 to 9 exactly once.
  2. O denotes an odd digit and E denotes an even digit. Zero is considered as an even digit.
  3. Each digit in the top row is greater than the digit immediately below it.

No Solution Yet Submitted by K Sengupta    
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Comments: ( Back to comment list | You must be logged in to post comments.)
re: corrected and solved | Comment 2 of 3 |
(In reply to corrected and solved by Ady TZIDON)

Addition is still commutative.  Your flipping the order of summands doesn't affect uniqueness or the lack of it.


Solutions are 423+675, 425+673, 623+475, 625+473, all summing to 1098.

  Posted by xdog on 2014-04-23 11:00:18
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