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Subtle Summed Squares (Posted on 2007-05-18) Difficulty: 3 of 5
Suppose a number N can be written as P times Q times R times..., where all of P, Q, R... can each be written as the sum of two perfect nonzero squares.

Show that in this case N itself can also be written as the sum of two perfect squares.

See The Solution Submitted by Old Original Oskar!    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): Not so fast!Steve Herman2017-12-02 10:11:18
Some Thoughtsre(2): Not so fast!Federico Kereki2007-05-21 22:15:49
re: Not so fast!Jer2007-05-21 12:26:28
Not so fast!Steve Herman2007-05-19 00:34:57
SolutionSolutionK Sengupta2007-05-18 14:55:29
SolutionSolutionJer2007-05-18 13:03:28
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