m=1/2时,方程无解2m+(x+m)/(x-1)=0(x+m)/(x-1)=-2mx+m=2m(x-1)x+m=2mx-2m2mx-x=m+2m(2m-1)x=3mx=3m/(2m-1)当2m-1=0即m=1/2时分母为0,分式无意义,方程无解很高兴为您解答,【数学之美】团队为您答题.请点击下面的【选...