Răspunsuri

2014-11-15T15:17:47+02:00
Cel mai inteligent răspuns!
2014-11-15T15:19:07+02:00
Card. (AnB)= (A+B)-AuB
Card. (AnB)= 8+5-10
Card. (AnB)= 3 :)
3 5 3