Răspuns :
z/6=1 => z=6
y/z=2 => y/6=2 => y=12
x/y=10 => x/12=10 => x=120 (1)
y:z*60= 12: 6*60=2*60=120 (2)
Din (1) si (2) => x=y:z*60 => NU!
y/z=2 => y/6=2 => y=12
x/y=10 => x/12=10 => x=120 (1)
y:z*60= 12: 6*60=2*60=120 (2)
Din (1) si (2) => x=y:z*60 => NU!