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FOUR SQUARES (Posted on 2013-08-23) Difficulty: 3 of 5
Let n be a non-negative integer.
Find the non-negative integers a, b, c, d such that a2+b2+c2+d2=7*4n

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
Solutioncomputer-guided solutionCharlie2013-08-23 22:55:26
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