若(y-x)/xy=3,求分式(2x+3xy-2y)/(x-2xy-y)的值
若(y-x)/xy=3,求分式(2x+3xy-2y)/(x-2xy-y)的值
已知x-y/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
若y-x/xy=3,求分式2x+3xy-2y/x-2xy-y
已知1/x+1/y=3,求分式3x-2xy+3y/x+xy+y的值
1/x+1/y=3.求分式3x-2xy+3y/x+xy+y的值
已知,1/x+1/y=5.,求分式3x+xy+3y/x-2xy+y的值
1.若y+x/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
若x+y-5xy=0,求(2x-3xy+2y)/(x+2xy+y)的值
若x+2y=0,xy不等于0,求分式x²+2xy/xy+y²的值
初中数学分式已知x/y=2,求(x*x-xy+3y*y)/x*x+xy+6y*y的值
若x-y=4,xy=1,求(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)的值
若X/1-y/1=3 求分式:x-2xy-y/2x+3xy-2y