Vreau o rezolvare va rog repedee

Răspuns:
AxB={(-2,0), (-2,2), (-1,0),(-1,2), (3,0), (3,2)}
B xA= {(0,-2), (0,-1), (0,3), (2,-2) , (2, -1), (2,3) }
Ax A={ (-2, -2) , (-2,-1), (-2,3), (-1, -2), (-1,-1) , (-1,3), (3,-2) ,(3,-1), (3,3)}
BxB={ (0,0), (0,2), (2,0), (2,2)}