15puncte+coroana!!
Completati spatiile libere cu ∈ sau ∉ pentru a obtine propozotoo adevarate:
+5...Z
b)-6...N
c)-21..N*
d)4/8...Z
e)-7...Z
f)45/9...N
g)11/2..Z
h)-94...Z
i)+12...N*
k)2/1...Z
g)0...Z+