Question

$\frac{0}{1}$∈N

4.6 ∈Q

$\sqrt{14}$∈Q

5.(3)∈R

$- \frac{21}{7}$∈Z

N⊂Q

Answer 1

1.Adevărat;2.Adevărat;3.Fals;4.Adevărat;5.Adevărat;6.Adevărat.