我分开来写吧(x²-2x+1)/(x²-1)=(x-1)²/(x-1)(x+1)=(x-1)/(x+1)1+(x+3)/(x+1)=(2x+4)/(x+1)∴原式=(x-1)/2(x+2)泪笑为您解答,请点击[采纳为满意回答];如若您有不满意之处,请指出,我一定改正!希望还您...