F4 A MATH absolute value
2010-08-21 8:10 pm
圖片參考：http://img823.imageshack.us/img823/5130/img0001pv.jpg
please state the steps,
answer of (a) :x=1
answer of (b) :x=>1
回答 (1)
2010-08-21 8:21 pm
收錄日期: 2021-04-22 00:49:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100821000051KK00545