1) x^2-3x+2 <= 0
2) x^2-4x+4 > 0
3) x^2+2 >= 0
4) (5-x)(x+1) <= 0
5) x^2-6x+9 <0
6) x-x^2-2 >= 0
7) (x+1)(x+2)(x-3) > 0
8) (x+2)^2 (x-1) >= 0
9) x^2 > 4
Inequalities....
2010-09-25 10:23 pm
回答 (1)
2010-09-26 12:17 am
✔ 最佳答案
=======================================================圖片參考：http://img842.imageshack.us/img842/9316/62869629.png
2010-09-25 16:17:37 補充：
http://img842.imageshack.us/img842/9316/62869629.png
2010-09-26 16:04:29 補充：
=========================================================================
收錄日期: 2021-04-23 23:24:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100925000051KK00752