已知:x/6=y/4=z/3(x、y、z均不为零),则x+3y/3y−2z=_.
问题描述:
已知:
=x 6
=y 4
(x、y、z均不为零),则z 3
=______. x+3y 3y−2z
答
设x=6k,y=4k,z=3k,将其代入分式中得:
=x+3y 3y−2z
=3.18k 6k
故答案为3.