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[几何] 一个解析几何题

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转化与化归 posted 2014-4-20 21:50 |Read mode
一个解析几何题.jpg
original poster 转化与化归 posted 2014-4-20 22:18
1.jpg 回复 1# 转化与化归
期待好的解法!

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爪机专用 posted 2014-4-20 22:27
往下看几个帖就有这个了
I am majia of kuing

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其妙 posted 2014-4-20 22:32
回复 2# 转化与化归
这就是好方法!
original poster 转化与化归 posted 2014-4-20 22:56
回复 3# 爪机专用

?看不懂!

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乌贼 posted 2014-4-20 23:33

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等待hxh posted 2014-4-21 10:37
此题请参考本人博客blog.sina.com.cn/s/blog_c50749e40101hk2i.html(解法和命题思路都分析了)

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踏歌而来 posted 2014-4-22 21:14
很不错,学习了。

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踏歌而来 posted 2014-4-26 17:03
Last edited by 踏歌而来 2014-4-26 19:27回复 2# 转化与化归

  $AD^2=\frac{(m-4)^2}{1+k^2}?$
我用两点距离公式算了不是这个结果。

  划归先生,你是出神入化吗?你是如何化出来的?
original poster 转化与化归 posted 2014-4-26 18:45
回复 9# 踏歌而来
点线距。

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踏歌而来 posted 2014-4-26 22:38
谢谢!

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其妙 posted 2014-4-26 23:16
把等待hxh的博客解法图片上传,便于阅读

博客图片.jpg
妙不可言,不明其妙,不着一字,各释其妙!

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其妙 posted 2014-5-2 19:39
妙不可言,不明其妙,不着一字,各释其妙!

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踏歌而来 posted 2014-5-2 22:08
楼上的解答很奇妙,佩服!

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