若x-3y=0,且x≠0,2x+5y/3x-y的直是?

问题描述:

若x-3y=0,且x≠0,2x+5y/3x-y的直是?

11/8

8/11

∵x-3y=0,∴x=3y
∴(2x+5y)/(3x-y)=(6y+5y)/(9y-y)=(11y)/(8y)=11/8