a.maths 問題

keiichi

2008-10-01 3:44 am

請問可以教教我 part b 要如何解答嗎?
http://i136.photobucket.com/albums/q164/csl19921020/IMG_0397.jpg (part a)
http://i136.photobucket.com/albums/q164/csl19921020/IMG_0396.jpg (part b)
麻煩大家了 > <

回答 (1)

Gabriella Montez

2008-10-01 4:57 am

✔ 最佳答案

Explanation as follows:

圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Maths494.jpg?t=1222779418

參考: My Maths Knowledge

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