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xz+yz stind-ca x+y=24 z=10


Răspuns :

[tex]x+y=24 \\ z=10 \\ xz+yz=z(x+y)=10 \cdot 24=240 \\ \boxed{xz+yz=240}[/tex]

daca x+y=24 si z=10 atunci
xz+yz=z(x+y)=10*24=240