5x=6y x比y=?
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5x=6y x比y=?
5x=6y x比y=?
5x=6y x比y=?
六比五.
5x=6y x比y=?
3比X=5比Y,X比Y少10,X=( )Y=(
x比y=3比2y比x=5比4x+y+z=66
3:x=5:y,x比y少10,x=( ),y=( )
若2x+2y=6x-3y,则x比y=
(2x+3y)除以(5x-3y)=3/5求x比y
x=5:y,x比y少15,求x.y的值
如果x比y=2比3那么x+y比y= ,y比x-y=
(x+y)/6+(x-y)/10=1,(x+y)/6-(x-y)/10=5
{6(x-y)-7(x+y)=21 {2(x-y)-5(x+y)=-1
x+y/2+x-y/6=5 2(x+y)-3(x-y)=-2
6(x-y)-2(x+y)=14 3(x-y)+(x+y)=5
(5x-6y)(x+y)=0(x不等于y),则y/x=
x比y=1比3分之5 y比z=5比6 x+z=27
x比y=1比3分之5,y比z=5比6,x+z等于27.
3比X=5比Y,X比Y少10,X=()Y=(),
(x+y-5)*(x+y-5)+(x-y+3)=0 x*x-y*y
已知:3x-5y=0,求x/y,x-y/y,x-y/x