F.4 MATHS.................
圖片參考：http://imgcld.yimg.com/8/n/HA00002921/o/701006010146613873417650.jpg
F.4 MATHS
2010-06-02 5:48 am
回答 (1)
2010-06-02 6:49 am
✔ 最佳答案
Please see the following:圖片參考：http://img517.imageshack.us/img517/1984/12516300.png
2010-06-01 22:49:49 補充：
http://img517.imageshack.us/img517/1984/12516300.png
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100601000051KK01466