Răspunsuri

2014-09-16T20:39:20+03:00
21x7y divizibil cu 5
21175,21275,21375,21475,21575,21675,21775,21785,21795,21075,21170,21270,221370,21470,21570,21670,21770,21870,21970,21070.

21x7y divizibile cu 3
21172,21271,21372,21273,21474,21570,21075,21276,21672,21177,21771,21378,21873.


13 3 13