Răspuns :
Răspuns:
4. a.-1
b.3
c.8
d.1
e.4
f.-2
5. a.-7
b.2
c.-5
d.-9
e.1
f.-4
Răspuns:
4.
a)-2
b)3
c)7
d)0
e)4
f)-2
5.
a)-6
b)2
c)-5
d)-8
e)1
f)-3
6.
A={-3,-2,-1,0,1,2,3,4}
B={0,1,2,3,4,5,6}
AUB={-3,-2,...,6} sau [-3,6]
AnB={0,1,2,3,4} sau [0,4]
A\B={-3,-2,-1} sau [-3,-1]
B\A={5,6} sau [5,6]