Răspuns:
Explicație pas cu pas:
A = {-2,-1,0,1,2,3}
B = {-1,0,1,2,3,4}
C = {-7,-6,-5,-4,-3,-2,-1}
D = {-8,-7,-6,-5,-4,-3}
E = {-2,-1,0,1,2,3}
