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numerical pyramid (Posted on 2004-07-13) Difficulty: 3 of 5
Fill in each location with a number from 1-15 such that each number is the difference between the two locations immediately below it. Each number should be used only once.

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  Submitted by Thalamus    
Rating: 3.5000 (2 votes)
Solution: (Hide)
Here's one solution.

         5
       4   9
     7  11   2
   8   1  12  10
 6  14  15   3  13

(I discovered this solution through trial and error. I don't know if there is a good methodology to discover additional solutions.)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
4 level pyramidDavid2004-07-13 22:50:55
re(3): SolutionSing4TheDay2004-07-13 10:53:14
re(2): SolutionThoughtProvoker2004-07-13 10:33:20
re: SolutionSing4TheDay2004-07-13 10:22:24
SolutionSolutionEric2004-07-13 10:15:27
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