Question

Fie multimea A={1,2,3,4,5,6,7,8,9,10}. Câte submulțimi cu cel mult doua elemente are multimea A? Va rog ajutati-ma! Am nevoie urgent.

Answer 1

11,12,13,14,15,16,17,18,19,11,21,31,41,51,61,71,81,91,22,33,34,35,36,37,38,39,33,43,53,63,73,83,93,41,42,43......Si faci asa pana ajungi la 99.