❀ Salutare! ❀
❁ Rezolvare
a) ( 0 × 4 ) + ( 0 × 5 ) = 0
b) ( 8 × 2 ) - ( 3 × 5 ) = 1
c) ( 3 × 9 ) - ( 5 × 5 ) = 2
d) ( 6 × 3 ) - ( 3 × 5 ) = 3
❀ Succes! ❀
