Răspunsuri

2014-11-19T18:48:07+02:00
Biblioteca={a,b,c,e,i,l,o,t} Cinema={a,c,e,i,m,n} Actualitati={a,ă,c,i,l,t,ț,u,}
1 5 1
2014-11-19T18:49:43+02:00
Biblioteca ∈ { b,i,l,o,t,e,c,a}
Cinema ∈{ c,i,n,e,m,a}
actualitati ∈{ a,c,t,u,l,i,}