Question

alguém pode me ajudar?​

Answer 1

Resposta:

3)

a) {3,5,7,11,13,17,23}

b) {9,11,13,15,17,19,21,23,25,27,29,31,33}

c) {4,6,8,10,12,14,16,18,20}

d) {7,8,9}

e) {1,2,4,8}

f) {102,108,114,120,126,132}

g) conjunto vazio

.

4) 10 elementos, sendo: {5,15,25,35,45,55,65,75,85,95}

.

5)

a) 2 ∈ A

b) 4 ∈ A e 4 ∉ B

c) B = A

d) A ⊂ B

e) 6 ∈ A e 6 ∉ B