已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______
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已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______已知x+y=2xy,(4x-5xy+4y)\(x+x
已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______
已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______
已知x+y=2xy,(4x-5xy+4y)\(x+xy+y)=______
(4X-5XY+4Y)/(X+XY+Y)=/(X+Y+XY)=(4*2XY-5XY)/(2XY+XY)=3XY/3XY=1
1
=(8xy-5xy)\(2xy+xy)=1