http://i364.photobucket.com/albums/oo87/davis1991411/1996paper1Q7.jpg
(a)識做
但係b part好恐怖...唔通要爆開曬佢,再group埋一齊?但係有d抽唔到common factor喎....
定係我用錯方法?應該冇out c喎
收錄日期: 2021-04-22 00:48:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100627000051KK02215