你好！数学之美团为你解答(x-4)/(x-3) - m - 4 = m/(x-3)同乘以 x-3x - 4 - (m+4)(x-3) = m方程无解，即有增根 x=3代入得3 - 4 = mm = - 1
看不懂你可以打括号把分式括起来
