Răspunsuri

2014-06-14T14:10:20+03:00
9,27,81,243,729
...........................
2 3 2
Cel mai inteligent răspuns!
2014-06-14T14:10:30+03:00

M3={6,9,15,18,21,24,27,30,33,36,39,42,45,48............}
8 4 8