Question

Fie multimile A={1,2,3,4,5,6,}, B={5,6,7,8,9} si C= {1,2,3,7,12} . Aflati:

a) A reunit B;
b) A reunit C;
c)B reunit C;
d) A intersectat B
e) A intersectat C
f) B intersectat C
g) A reunit B reunit C
h) A reunit (B intersectat C)

Answer 1

a) {1,2,3,4,5,6,7,8,9}
d){1,2,3,4,5,6,7,12}
c) {1,2,3,5,6,7,8,9,12}
d) {5,6}
e) {1,2,3}
f) {7}