vector問題(2)

2011-02-20 10:55 pm
我vector比較差, 所以仲有一條數...
請大家幫幫忙...THX~~
http://i859.photobucket.com/albums/ab158/charlieho/vectorQ7.jpg

回答 (1)

2011-02-20 11:07 pm
✔ 最佳答案
As follows:


圖片參考:http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_06Feb201506.gif


2011-02-20 15:08:21 補充:
Note that for xi+yj=0 => x=y=0


收錄日期: 2021-04-22 00:54:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110220000051KK00715

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