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[几何] 所滚过的轨迹

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青青子衿 Posted at 2013-12-6 20:38:28 |Read mode
如图所示的两个大小相等的圆外切,且两圆所在的平面相互垂直。
搜狗截图20131206203556.jpg
试求两圆在平面所滚过的轨迹以及所滚过一周的体积!

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 Author| 青青子衿 Posted at 2013-12-6 20:40:56
回复 1# 青青子衿
搜狗截图20131206203904.png 搜狗截图20131206203918.png 搜狗截图20131206203933.png

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 Author| 青青子衿 Posted at 2014-1-19 20:59:31

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三尺水 Posted at 2016-5-27 20:59:54

两个轨迹

圆都是半径1   两个圆的是垂直连接,一个圆的是一端与地面距离1.求两个问题的地面轨迹方程,并画出来 01 (1).gif

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三尺水 Posted at 2016-5-28 09:30:57
问题太难,不会有人发言了

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realnumber Posted at 2016-5-28 09:35:19
你的图做得很棒...,

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hbghlyj Posted at 2025-4-12 09:22:39
我刚才也作出了轨迹

手机版Mobile version|Leisure Math Forum

2025-4-20 21:59 GMT+8

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