Question

1) Dado o conjunto A = {0, 1, 2, 3, 5, 8, 9, 10, 11, 13, 15, 17, 19, 20, 22, 23, 26, 31}, preencha a lacuna com ∈ ou ∉:
a) 19 _____ A
b) 7 ______ A
c) 31______A
d) 50______A
e) -3______A
f) 14______A

Answer 1

Resposta:letra a

Explicação passo-a-passo confia