Question

Stabiliti valoarea de avar a propozitiilor :

a). 5 ∈{ 0,1,2,3,4}
b). {0} = N \ N*
c). 3 ∉ {5,7,9}
d). 4 ∈ {1,2,3} n {5,6,3,2,1}
Va roggg!

Answer 1

a)F
b)F
c)A
d)F....................