Răspuns:
a) -3<= -3< +infinit (adevărat)
b) -2< -2<= 10 (fals)
c) -5< 4<7 (adevărat)
d) -2< 7< 6 (fals)
e) adevărat
f) fals
g) adevărat
h) fals
