若2x-3y=0,那么x-y/y=
问题描述:
若2x-3y=0,那么x-y/y=
答
2x=3y
x=3y/2
原式=(3y/2-y)/y
=(y/2)/y
=1/2
若2x-3y=0,那么x-y/y=
2x=3y
x=3y/2
原式=(3y/2-y)/y
=(y/2)/y
=1/2