(1) 4x^2-18+4/x-5
(2) x^2+9x+18/x+6
(3) 7-5x^2/x-5
(4) 12a^3-6a^2-2a+7/4a+2
(5) 2x^3+2x^2-27x+6/x-3
(6) y^3+4y^2+5/y-2
Thank. GOD bless and best wishes.
收錄日期: 2021-05-01 20:59:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160706191330AA3Rc8g