Răspuns:
D15={-15,-5,-3,-1,1,3,5,15}
D24={-24,-8,-6,-4,-3,-1,1,3,4,6,8,24}
D45={-45,-15,-9,-5,-3,-1,1,3,5,9,15,45}
A={0,3,6,9,12,15,18}
B={6,12,18,24,30,36,42}
C={22,33,44,55}
Succes!
