1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)要明白一点的..呵呵
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1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)要明白一点的..呵呵
1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)
要明白一点的..呵呵
1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)要明白一点的..呵呵
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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1/x+1/y=3,求分式3x-2xy+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3x+xy+3y/x-2xy+y的值
已知1/x-1/y=3,求分式(2x+3xy-2y)/(x-2xy-y)
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2x+5xy-2y/3x-xy-3y
已知1/x-1/y=5、求分式3x+5xy-3y/y-xy-x的值
分式题求值1/x-1/y=2 求3x+xy-3y/y-xy-x的值
已知1/x+1/y=4,求分式4x+3xy+4y/-3x+2xy-3y的值
已知1/x+1/y=4,求分式(4x+3xy+4y)/(-3x+2xy-3y)的值.
已知1/x-1/y=3,求分式(4x=5xy-4y)/(x-3xy-y)的值等于
已知1/x-1/2y=1/3,求分式(2x+3xy-4y)/(x-3xy-2y)的值
已知1/x-1/y=3,求分式(4x-5xy-4y)/(3x-2xy-3y)的值
(1/x)+(1/y)=5,求分式(3x+4xy-3y)/(2x-3xy-2y)的值
1/x-1/y=4,求分式(3x+xy-3y)/(x-2xy-y)要明白一点的..呵呵
已知1/X—1/Y=4,求分式3X+XY—3Y/X—2XY—Y的值.
已知1/x-1/y=4,求分式2x+3xy-2y/x-2xy-y的值