Răspuns:
Explicație pas cu pas:
A = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
B = {6, 8, 10, 12, 14}
C = {5, 10, 15}
B U C = {5, 6, 8, 10, 12, 14, 15}
B ∩ C = {10}
B \ C = {6, 8, 12, 14}
_________
∅; {5}; {10}; {15}; {5, 10}; {5, 15}; {10, 15}; {5, 10, 15}