若x:y:z=2:3:4,且x+y+z=18 则x y z的值分别为__________________
问题描述:
若x:y:z=2:3:4,且x+y+z=18 则x y z的值分别为__________________
答
若x:y:z=2:3:4,且x+y+z=18 则x y z的值分别为_4,6,8_____.
18*(2/9)=4
18*(3/9)=6
18*(4/9)=8
相信你看的懂