分式题,已知:1/x+2/y=3求:(4x-7xy+8y)÷(3x+xy+6y)
分式题,已知:1/x+2/y=3求:(4x-7xy+8y)÷(3x+xy+6y)
解一道分式题已知1/x-1/y=3 求分式(4x-5xy-4y)/(3x-2xy-3y)的值.
已知x-y/xy=3,求分式2x+3xy-2y/x-2xy-y的值.
已知1/x-1/y=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
已知,1/x+1/y=5.,求分式3x+xy+3y/x-2xy+y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
1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)
已知1/x+1/y=3,求分式(3x-3xy+3y)/(x+xy+y)的值
已知1/x-1/y=3,求分式3x-xy+3y/x+xy+y的值.
已知1/x-1/y=5 求分式-x+xy+y/2x+7xy-2y
已知1/x-1/y=5,求分式y+xy-x/2x+7xy-2y的值.