解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)

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解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)解方程组;(x-1)

解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)
解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)

解方程组;(x-1)(y-2)=xy,x(x+2)-4y(y-1)=(x+2y)(x-2)