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+0800http://www.998877665544332211.com/post/15.html#cmt1871Re:趣味数学——小狗赛跑1015472180@qq.com (淘宝简易淋浴器一壶开水洗个澡)http://www.998877665544332211.com/post/15.html#cmt1867Sat, 17 Jul 2010 07:30:09 +0800http://www.998877665544332211.com/post/15.html#cmt1867Re:趣味数学——小狗赛跑1015472180@qq.com (淘宝简易淋浴器一壶开水洗个澡)http://www.998877665544332211.com/post/15.html#cmt1866Sat, 17 Jul 2010 07:23:02 +0800http://www.998877665544332211.com/post/15.html#cmt1866Re:趣味数学——小狗赛跑123789456@qq.com (123)http://www.998877665544332211.com/post/15.html#cmt165Sat, 29 Aug 2009 19:06:34 +0800http://www.998877665544332211.com/post/15.html#cmt165上养殖业的小孩都会啊！！！！！！！！！！！！！！！！！！！！！！！！！！]]>Re:趣味数学——小狗赛跑 (众人皆醒我独醉)http://www.998877665544332211.com/post/15.html#cmt118Fri, 17 Jul 2009 09:27:14 +0800http://www.998877665544332211.com/post/15.html#cmt118Re:趣味数学——小狗赛跑fsmooth@sina.com (fsmooth)http://www.998877665544332211.com/post/15.html#cmt90Wed, 24 Jun 2009 09:39:16 +0800http://www.998877665544332211.com/post/15.html#cmt90Re:趣味数学——小狗赛跑fsmooth@sina.com (fsmooth)http://www.998877665544332211.com/post/15.html#cmt89Wed, 24 Jun 2009 09:38:35 +0800http://www.998877665544332211.com/post/15.html#cmt89Re:趣味数学——小狗赛跑371366643@qq.com (雨林之中)http://www.998877665544332211.com/post/15.html#cmt72Mon, 15 Jun 2009 14:58:28 +0800http://www.998877665544332211.com/post/15.html#cmt72Re:趣味数学——小狗赛跑 (挑战难度)http://www.998877665544332211.com/post/15.html#cmt14Sat, 10 Jan 2009 11:28:08 +0800http://www.998877665544332211.com/post/15.html#cmt14一个小圆的半径为1\2。由s=v*t得，题目所讲速度相同，算快慢主要比较所用的时间，
t=s\v，由于狗是绕圆来跑的所以求圆的周长，大圆周长为2πr，而两个小圆的周长为2*πr.
所以路程与速度相同，时间就相同。]]>Re:趣味数学——小狗赛跑liuliang86400@qq.com (我的问题)http://www.998877665544332211.com/post/15.html#cmt10Sun, 07 Dec 2008 17:06:11 +0800http://www.998877665544332211.com/post/15.html#cmt10
猫蒲 于 2009-11-14 13:23:29 回复
我才小学四年级啊.......................HeheHeheHeheHeheHeheHeheHeheNothing_to_sayNothing_to_sayNothing_to_sayNothing_to_sayFaintFaintFaintFaintFaint
koku20 于 2009-11-20 11:20:08 回复
速度相等，但没说时间相等吧，那怎么说明大小圈半径之比是2：1？别告诉我运动场都是这样的，这是常识。。。那我真不知道。
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