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Gasiti toate perechile de forma x si y .
1 exemplu : y5+5y=y×10+5+5×10+y


Răspuns :

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xy=(10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,........,95,96,97,98,99)