y+(y+2)/(y+1)=10/3y+(y+1+1)/(y+1)=10/3y+1 + 1/(y+1) = 3+ 1/3所以y1 =3 y2 = 1/3 秋风燕燕为您解答有什么不明白可以继续问,随时在线等。如果我的回答对你有帮助,请及时选为满意答案,谢谢~~