Răspunsuri

2014-03-13T16:07:19+02:00
X/y=5/8 = > 5y=8x=>y=8x/5

x/z=2/3 => 2z/3x=> z=3x/2

y/z=(8x/5)/(3x/2)
=8x/5*2/3x
=16x/15x
=16/15