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Lets Concatenate (Posted on 2014-01-28) Difficulty: 3 of 5
find integers x, y, and z such that concatenating x^2 and y^2 gives z^2, and that z has at least four consecutive nines.

No Solution Yet Submitted by Danish Ahmed Khan    
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solution Comment 1 of 1
solution posted at IBM|Ponder this 

http://domino.research.ibm.com/comm/wwwr_ponder.nsf/solutions/February2013.html



  Posted by Benny on 2014-01-28 15:17:19
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