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Wednesday, 20 april 2011

Cub si patrat perfect

Proposed by lucipetOffline
(14 comments)12.764 times displayed

Gasiti conditiile in care numarul de forma
                     _____
                      X X X  +  X  
sa fie un cub perfect, iar numarul de forma
                     ______
                     X X X X  +  X
sa fie un patrat perfect ,  (X intreg si diferit de 0).

Bonus.

Cu cifrele A,B,C  , (A<B<C) , se formeaza numerele
       ABC, BCA, CAB, CBA, BAC, ACB.  
Suma celor mai  MARI  numere este 1444. Gasiti A, B, C .


Tags: Cub, si, patrat, perfect
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