maths--GS

👨🏻‍🏫 學術台數學

[匿名]

2010-12-15 2:52 am

http://i983.photobucket.com/albums/ae311/zachariah_thomas/15.jpg

plz help!

回答 (1)

用戶9112

2010-12-18 4:33 am

✔ 最佳答案

http://img530.imageshack.us/img530/1639/87213497.png

圖片參考：http://img530.imageshack.us/img530/1639/87213497.png

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