1/(開方5-2)
更新1:
其實係. 1/開方5之後-2
Maths question
回答 (5)
2008-09-03 7:37 am
✔ 最佳答案
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√５－２ √５＋２
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（√５－２）（√５＋２）
√５＋２
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√５＋２
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１
參考: 自己
2008-09-05 3:47 am
(1/開方5)-2
= (開方5/5)-2
= (開方5/5)-(10/5)
=(開方5-10)/5
= (開方5/5)-2
= (開方5/5)-(10/5)
=(開方5-10)/5
2008-09-03 8:27 am
1/(√5 -2)
=1/(√5-2)*(√5+2)/(√5+2)
=(√5+2)/(5-4)
=√5+2
=1/(√5-2)*(√5+2)/(√5+2)
=(√5+2)/(5-4)
=√5+2
2008-09-03 5:54 am
As follow AS~~~
圖片參考：http://www.photo-host.org/img/047677screenhunter_01_sep._02_21.50.gif
2008-09-02 23:38:51 補充：
更改
http://www.photo-host.org/img/588867screenhunter_03_sep._02_23.29.gif
圖片參考：http://www.photo-host.org/img/047677screenhunter_01_sep._02_21.50.gif
2008-09-02 23:38:51 補充：
更改
http://www.photo-host.org/img/588867screenhunter_03_sep._02_23.29.gif
2008-09-03 5:52 am
咩係開方5-2??
唔明 係5/2? 2/5?
唔明 係5/2? 2/5?
收錄日期: 2021-04-23 20:40:50
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https://hk.answers.yahoo.com/question/index?qid=20080902000051KK02218