Respostas

2014-03-20T22:49:45-03:00
A) AUB= (1,2,3 ,5)
b) AuC = (1,2, ,5,6,7,8)
c) BuC= (1,3,5,6,7,8)
d) AuBuC= ( 1,2,3,5,6,7,8)
f) C /\ D= ( 7,8)