10.
A={0,1,2}
B={ 1,2,3,4}
C={0,1,2,3,4,5}
(AUB)nC= {0,1,2,3,4}n {0,1,2,3,4,5}= {0,1,2,3,4}
(AUBUC)n multimea vida= {0,1,2,3,4,5} n multimea vida= {0}
(AnB)U(BnC)= {1,2}U{1,2,3,4}= {1,2,3,4}
(A\B)U(B\C)= {0}U multimea vida= {0}
Daca nu ai inteles ceva, scrie in coment. si iti explix. Succes! :)