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Today's Problem


Solve one problem each day

Thursday, 12 july 2012

Produse alunecoase :D

Proposed by catanedelcuOffline
(2 comments)3.857 times displayed

Se dau patru numere (nu neaparat intregi):

a, b, c, d

din ele obtinem produsele lor, luate doua cate doua:

ab, ac, ad, bc, bd, cd

stiind ca cinci dintre aceste produse sunt egale cu:

2, 3, 4, 5, 6       (nu se specifica carei perechi ii  corespunde fiecare produs)

Se cere sa se gaseasca al saselea produs.  


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