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Odd and Even (Posted on 2014-04-23) Difficulty: 2 of 5
  E E O 
+ E O O 
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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Hints/Tips re(2): corrected and solved Comment 3 of 3 |
(In reply to re: corrected and solved by xdog)

You claim: "Solutions are 423+675, 425+673, 623+475, 625+473, all summing to 1098   .
None of the above fulfills the condition 3:   digit 2 is above 7 and 2<7.

With no constraints  there would exist 2^3=8 solutions.

  Posted by Ady TZIDON on 2014-04-23 12:15:51
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