a maths...

[匿名]

2007-12-17 3:34 am

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回答 (1)

魏王將張遼

2007-12-17 4:01 am

✔ 最佳答案

(1)

圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Dec07/Crazytrigo1.jpg

(2)

圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Dec07/Crazytrigo2.jpg

參考: My Maths knowledge

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