(x-1)/(x^2+3x+2)+(x+3)/(x^2+7x+12)题目抄错了、是（x+1）/(x^2+3x+2)+(x+3)/(x^2+7x+12)！！！！！

分类: 作业答案 • 2022-07-31 20:47:29

问题描述：

(x-1)/(x^2+3x+2)+(x+3)/(x^2+7x+12)
题目抄错了、是（x+1）/(x^2+3x+2)+(x+3)/(x^2+7x+12)！！！！！

答