mechanics

2007-03-29 10:19 pm
http://img237.imageshack.us/img237/4916/56078288gd0.jpg


睇完ans都唔係好明,可否解釋點畫?
點解許PQ條平線高過RS?

回答 (1)

2007-03-29 11:25 pm
✔ 最佳答案
問題解答如下:

圖片參考:http://hk.geocities.com/namsm4e/P00A.jpg


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https://hk.answers.yahoo.com/question/index?qid=20070329000051KK01548

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