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badog
论坛管理员
Joined: 01 Nov 2006
Posts: 1021
小企鹅: 6575
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 Posted: 2007-Jun-28 Thu, pm12:56 |
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| Post subject: [测试]栽树娶公主 |
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| 国王要求,4棵树之间要全部等距离栽种,成功者,可迎娶公主. |
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mmxb
Joined: 16 May 2007
Posts: 74
小企鹅: 1947
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| Posted: 2007-Jun-28 Thu, pm3:36 |
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| 不是平面等距吧 那就太简单啦 |
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hotgly
Joined: 22 Apr 2007
Posts: 130
小企鹅: 4504
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| Posted: 2007-Jun-28 Thu, pm4:05 |
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三棵树种成等边三角，三棵树中间堆个土堆，上面正中间再种一棵，离地高是2/3开平方个三角形边长（如果没算错的话）。
很经典的立体几何题呀，好几年没做过了，呵呵。。。。已知。。。。。求证。。。。。。忘得差不多了。
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sl-7500c pdaxrom1.1.0beta1wellswang汉化
extremeIII CF,SD Roku Agere Hermes II CF Wifi with ccpaging driver for 7500c
Ubuntu Hardy box
Last edited by hotgly on 2007-Jun-28 Thu, pm4:06; edited 1 time in total |
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hotgly
Joined: 22 Apr 2007
Posts: 130
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| Posted: 2007-Jun-28 Thu, pm4:05 |
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mmxb
平面也行吗？
_________________
sl-7500c pdaxrom1.1.0beta1wellswang汉化
extremeIII CF,SD Roku Agere Hermes II CF Wifi with ccpaging driver for 7500c
Ubuntu Hardy box |
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mmxb
Joined: 16 May 2007
Posts: 74
小企鹅: 1947
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| Posted: 2007-Jun-29 Fri, am9:04 |
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hotgly
时空扭曲啊 哈哈哈 
还有 理论上可以让每棵树之间都无限远 
瞎掰的hotgly别生气  |
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放歌吟
Joined: 21 Jun 2007
Posts: 3
小企鹅: 77
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| Posted: 2007-Jul-04 Wed, pm3:04 |
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| Post subject: |
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| 平面不行，立面很简单 |
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