E L E M E N T A R Y P R O B L E M S A N D S O L U T I O N S

E v a lu a te 22 Ñ ~ - n=\ 2 B - 6 7 1 Proposed by Herta T. Freitag, Roanoke, VA S h o w t h a t a l l e v e n p e r f e c t n u m b e r s a r e h e x...

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