Question

dados os conjuntos A= {0,1,2,3,4,5} B={4,5,6,7,8} C={-4,-3,-2,-1,4} D={-2,-1,0,1,2,3,4}
(AUB)∩(CUD)=
(A-B)U(C-D)=
A∩B∩C∩D=

Answer 1

[A∪B=(0,1,2,3,4,5,6,7,8)]∩[C∪D=(-4,-3,-2,-1,0,1,2,3,4)]=(0,1,2,3,4)

[A-B=(0,1,2,3)]∪[C-D=(-4,-3)]=(-4,-3,0,1,2,3)

A∩B∩C∩D=(4)