Question

me ajudem ai por favor

Answer 1

a) AuB= { 1,2,3,5}
b) AuC= {1,2,5,6,7,8}
c) DuB= {1,3,7,8,9}
d) CuD= {5,6,7,8,9}
e) (AuB)uC= {1,2,3,5,6,7,8}
f) (BuC)uD= {1,3,5,6,7,8,9}
g) (AuD)uB= { 1,2,3,5,7,8,9}
h) (CuA)u(DuB)= { 1,2,3,5,6,7,8,9}

Acho que é isso.