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求x同y
Trigonometric Ratios
2008-08-09 7:53 pm
回答 (1)
2008-08-09 9:02 pm
✔ 最佳答案
Explanation as follows:圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Maths365.jpg?t=1218258114
參考: My Maths Knowledge
收錄日期: 2021-04-23 20:41:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080809000051KK00903