Question

X×y-x×z stiind ca x=10 si y-z=29 vreau raspuns de clasa a 5 a

Answer 1

$x=10 \\ y-z=29 \\ x\times y-x \times z=x(y-z)=10 \times 29=290 \\ \boxed{x \times y-x \times z=290}$