x-2y/y=2/3,则x/y=
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 03:23:36
x)5ԯ57y1ȴI*&_`gSH\"055s,@@%@%yvP3m@EFpu6<ٽb G>
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
若(x-y)/(x+y)=3 则(x+2y)/(6x-7y)等于
(x-y) (x-2y)+(x+2y) (x-3y)-2(x-3y) (x-4y)=
(x+y)(x-y)+(x-y)平方-(x-y)(3x-y) 其中x=-2 y=3分之一
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
(x+y)(2x-3y)=?
已知2x=3y,则y分之x=< >,y分之x+y=< >.
若2x=3y,则(x*x+y*y)/x*x=?
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
已知x-y=3,求[(x+y)(x-y)-(x-y)^2+2y(x-y)]除以的值
已知3x =2y 求x/x+y+y/x-y-y²/x²-y²
计算:y(x-y)^2+(y-x)^3=?
y'=(2x+y)/(3x-y)微分方程通解
12y(x-y)^2-8(x-y)^3=?
若2/x-1/y=3,求[y/x-y/x-y(x-y/x-x+y)]/x-2y/x的值
若3x-5y=0,则x+y/x=(),x-y/y=(),2x-3y/2x+3y=( )
2x-y/x+y=4,则4x-2y/2x+2y+3x+3y/2x-y
y+y'-2y=2x