Question

Questão 3:use ∈ ou ∉ na lacuna :
A)-2____N
B)5,1____Z
C)1____Q
D)0,56____R
E)-1/8_____N
F)√81____Z
G)³√8____Q
H)0,5656...____Q'
I)-√6____Q'
J)√x²____Z,sendo que x ∈ N.

Answer 1

a)∉
b)∉
c)∉
d)∈
e)∉
f)∉
g)∉
h)∈
i)∉
j)∈