Răspuns:
5.
a) = { - 5,-4,-3,-2,-1,0,1,2,3,4}
b) = { - 6,-5,-4,-3,-2,-1,0,1,2}
c) = { - 3,-2,-1,0,1,2,3,4,5}
d) = { - 3,-2,-1,0,1,2}
6.
a) = (-11, 13)
b) = (-8, 17)
c) = (-5, 29]
