http://i619.photobucket.com/albums/tt280/wongbj/2009-05-15-2058-33_edited.jpg
更新1:
what is duplet??
Chem 問題
2009-05-16 7:41 am
help me to do
http://i619.photobucket.com/albums/tt280/wongbj/2009-05-15-2058-33_edited.jpg
http://i619.photobucket.com/albums/tt280/wongbj/2009-05-15-2058-33_edited.jpg
回答 (1)
2009-05-16 10:09 am
✔ 最佳答案
The answer is as follows:圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090516_1.jpg?t=1242410855
收錄日期: 2021-04-29 18:18:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090515000051KK01895