已知分式m-3/m-2与分式2m/2-m互为相反数,则m=?
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![已知分式m-3/m-2与分式2m/2-m互为相反数,则m=?](/uploads/image/z/1124074-10-4.jpg?t=%E5%B7%B2%E7%9F%A5%E5%88%86%E5%BC%8Fm-3%2Fm-2%E4%B8%8E%E5%88%86%E5%BC%8F2m%2F2-m%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E5%88%99m%3D%3F)
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已知分式m-3/m-2与分式2m/2-m互为相反数,则m=?
已知分式m-3/m-2与分式2m/2-m互为相反数,则m=?
已知分式m-3/m-2与分式2m/2-m互为相反数,则m=?
分式(m-3)/(m-2)与分式2m/(2-m)互为相反数
即(m-3)/(m-2)+2m/(2-m)=0
(m-3)/(m-2)-2m/(m-2)=0
(m-3-2m)/(m-2)=0
(m-3)/(m-2)=0
m=3
经检验m=3是方程的解
3