Răspuns :
(a,b)i.p(1/6,1/3)=a/6=b/3=k=>a=6k si b=3k
a>b
a-b=30=> 6k-3k=30=>3k=30|:3=> k=10 => a=6*10=60 si b=3*10=30
a>b
a-b=30=> 6k-3k=30=>3k=30|:3=> k=10 => a=6*10=60 si b=3*10=30