a-maths~~~~~!

👨🏻‍🏫 學術台數學

用戶7639

2008-10-04 4:22 am

http://www.photo-host.org/img/104661screenhunter_06_oct._03_20.14.gif

回答 (1)

Patrick仔

2008-10-04 9:33 pm

✔ 最佳答案

here is the solution:

圖片參考：http://img512.imageshack.us/img512/4144/sdgdfhjo5.jpg

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