Răspunsuri

2014-08-25T11:07:27+03:00
Probabilitatea=nr. cazurilor posibile/nr cazurilor favorabile

nr cazurilor favorabile:√2;√3;√5;√6;√7;√8;√10;√11;√12;√13;√14;√15;√17;√18;√19;√20

p= 16/20= 4/5