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Sum Rotation (Posted on 2004-05-11) Difficulty: 3 of 5
The numbers 1 through 9 are arranged in a 3 x 3 grid so that each number is in the grid exactly once. They are arranged such that the top row plus the middle row gives the bottom row. If the grid forms another such addition when it is rotated 90 degrees to the left, what is its composition?

(Note: The numbers don't flip, for example 6 doesn't turn into 9.)

No Solution Yet Submitted by Gamer    
Rating: 3.2500 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Some thoughts | Comment 8 of 16 |
(In reply to Some thoughts by Iain)

Nice, however I believe D and H could also be 1 or 2, due to carrying.
  Posted by JT on 2004-05-12 16:02:46

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