x/1-x-(1/x-3)分式加减
问题描述:
x/1-x-(1/x-3)分式加减
x/1-x-(1/x-3)是分式加减
答
=x(x-3)-(1-x) =x^2-3x-1+x =x^2-2x-1?
x/1-x-(1/x-3)分式加减
x/1-x-(1/x-3)是分式加减
=x(x-3)-(1-x) =x^2-3x-1+x =x^2-2x-1?