实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围

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实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围实数xy

实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围
实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围

实数xy满足不等式组y>=0,x-y>=0,2x-y-2>=0则k=(y-1)/x+1的取值范围

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