(x²-4分之2x)+(x-2分之1)=x+2分之x+32x/(x²-4)+1/(x-2)=(x+3)/(x+2);2x+x+2=(x+3)(x-2);3x+2=x²+x-6;x²-2x-8=0;(x-4)(x+2)=0;x=4或x=-2；代入检验x=-2是增根；所以x=4；手机提问的朋友在客户端...