repede va rog !!!!!!??<3

Răspuns:
8.
A= {-4,2,0,5,-1}
B= {-4,2,0,,-1}
C= {-4,2,0,5,-1}
D= {-10,8,7}
E= Ø
F= {8,2,0,5,7}
9.
A= {-5,-4,-3,-2,-1,0,1,2,3,4,5}
B= {-6,-5,-4,-3,3,4,5,6}
C= {....,-7,-6,-5, -4}
D= {-7,-6,-5,-4,-3, ... }