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解答如下: 題目是:(5+m)/(x-2)+1=1/(2-x)吧, 此方程是分式方程,顯然x=2是增根 原方程化為整式方程得: (5+m)+(x-2)=-1 把x=2代入得:m=-6 所以:m=-6時此方程無解 【不信你可以把方程中的m換成-6試試】
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