Question

X_y=12si z=10 Calculați xz_yz

Answer 1

daca x_y=12 si z=10 obtinem>>>>>xz_yz=z(x_y)=10*12=120

Answer 2

$x-y=12 \\ z=10 \\ xz-yz=z(x-y)=10 \cdot 12=120 \\ \boxed{xz-yz=120}$