优酷-专辑-奥数四五六年级的视频 优酷专辑奥数四五六年级的视频 http://www.youku.com/playlist/ Mon, 07 Dec 2009 15:07:51 +0800 Novajax Feed Writer http://www.youku.com/index/img/youkulogo.gif 优酷网-中国第一视频网，提供视频播放，视频发布，视频搜索 http://www.youku.com 视频服务平台，提供视频播放，视频发布，视频搜索、视频分享 行程问题 http://www.youku.com/v_show/id_XNTczNzUwMjg=_rss.html

]]> 83:33 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTczNzUwMjg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14343757 工程问题 http://www.youku.com/v_show/id_XNTczNzQ5Mjg=_rss.html

]]> 117:23 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTczNzQ5Mjg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14343732 分组求和 http://www.youku.com/v_show/id_XNTczNzQ4NTY=_rss.html

]]> 66:31 象棋,六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTczNzQ4NTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14343714 分数应用题 http://www.youku.com/v_show/id_XNTcyNDkzODA=_rss.html

]]> 90:16 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTcyNDkzODA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14312345 分数和小数 http://www.youku.com/v_show/id_XNTcwMzI5Mjg=_rss.html

]]> 68:37 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTcwMzI5Mjg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14258232 分数的巧算巧算5 http://www.youku.com/v_show/id_XNTY5OTI4NTI=_rss.html

]]> 112:01 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5OTI4NTI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14248213 分数大小的比较 http://www.youku.com/v_show/id_XNTY5ODg2MjQ=_rss.html

]]> 94:01 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5ODg2MjQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14247156 递推和归纳找规律5 http://www.youku.com/v_show/id_XNTY5ODYwNDQ=_rss.html

]]> 101:22 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5ODYwNDQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14246511 错位相减求和 http://www.youku.com/v_show/id_XNTY5NzY4NTY=_rss.html

]]> 51:51 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5NzY4NTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14244214 拆项消去求和 http://www.youku.com/v_show/id_XNTY5NzI0MDA=_rss.html

]]> 23:35 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5NzI0MDA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14243100 百分数应用题2 http://www.youku.com/v_show/id_XNTY5NzA5NDA=_rss.html

]]> 55:28 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5NzA5NDA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14242735 图形的计算3 http://www.youku.com/v_show/id_XNTY5NjA4NTI=_rss.html

]]> 57:35 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5NjA4NTI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14240213 数的进位制2 http://www.youku.com/v_show/id_XNTY4NTk1NDA=_rss.html

]]> 54:11 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY4NTk1NDA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14214885 平面图形的问题2 http://www.youku.com/v_show/id_XNTY4NTUwNjA=_rss.html

]]> 53:06 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY4NTUwNjA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14213765 牛吃草的问题 http://www.youku.com/v_show/id_XNTY4NTA5NjQ=_rss.html

]]> 40:53 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY4NTA5NjQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14212741 简单的统筹规划问题 http://www.youku.com/v_show/id_XNTY4NDg1MDg=_rss.html

]]> 51:24 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY4NDg1MDg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14212127 行程问题三 http://www.youku.com/v_show/id_XNTY4MTQ3MTY=_rss.html

]]> 55:48 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY4MTQ3MTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14203679 行程问题三 http://www.youku.com/v_show/id_XNTY1ODQwMzI=_rss.html

]]> 55:48 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY1ODQwMzI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14146008 行程问题4 http://www.youku.com/v_show/id_XNTY0OTAyMjA=_rss.html

]]> 61:46 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY0OTAyMjA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14122555 最大与最小 http://www.youku.com/v_show/id_XNTY0ODY5NTI=_rss.html

]]> 68:07 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY0ODY5NTI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14121738 长正方形的面积 http://www.youku.com/v_show/id_XNTY0ODAwOTY=_rss.html

]]> 67:57 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY0ODAwOTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14120024 盈亏问题 http://www.youku.com/v_show/id_XNTY0NzYyMDA=_rss.html

]]> 52:56 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY0NzYyMDA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14119050 新规定的运算 http://www.youku.com/v_show/id_XNTY0NjQxOTI=_rss.html

]]> 57:04 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY0NjQxOTI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14116048 新规定的运算 http://www.youku.com/v_show/id_XNTU3MjA3NTI=_rss.html

]]> 57:04 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU3MjA3NTI=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13930188 尾数的规律 http://www.youku.com/v_show/id_XNTU3MTU0MjQ=_rss.html

]]> 42:26 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU3MTU0MjQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13928856 数字谜3 http://www.youku.com/v_show/id_XNTU3MTE1MjQ=_rss.html

]]> 54:58 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU3MTE1MjQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13927881 数列规列的应用找规律4 http://www.youku.com/v_show/id_XNTU3MDM2MzY=_rss.html

]]> 63:37 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU3MDM2MzY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13925909 利用对应差求未知数 http://www.youku.com/v_show/id_XNTU2MzczNDQ=_rss.html

]]> 59:31 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2MzczNDQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13909336 加法原理和乘法原理计数问题2 http://www.youku.com/v_show/id_XNTU2MjY3OTY=_rss.html

]]> 57:53 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2MjY3OTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13906699 行程问题 http://www.youku.com/v_show/id_XNTU2MjA1Njg=_rss.html

]]> 39:45 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2MjA1Njg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13905142 等差数列数列2 http://www.youku.com/v_show/id_XNTU2MDM4MDA=_rss.html

]]> 64:36 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2MDM4MDA=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13900950 包含与排除 http://www.youku.com/v_show/id_XNTU2MDI3MjQ=_rss.html

]]> 53:58 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2MDI3MjQ=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13900681 公式求和 http://www.youku.com/v_show/id_XNTczNzQ5NTY=_rss.html

]]> 32:59 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTczNzQ5NTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14343739 小数的巧算巧算4 http://www.youku.com/v_show/id_XNTY5NjQ5Njg=_rss.html

]]> 75:22 五年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTY5NjQ5Njg=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 14241242 利用对应差求未知数 http://www.youku.com/v_show/id_XNTU2OTY1NTY=_rss.html

]]> 63:37 四年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTU2OTY1NTY=_rss.html#comments Mon, 07 Dec 2009 15:07:50 +0800 13924139 估算 http://www.youku.com/v_show/id_XNTczNzQ5OTY=_rss.html

]]> 113:08 六年级奥数 pingping271828 http://www.youku.com/v_show/id_XNTczNzQ5OTY=_rss.html#comments Mon, 07 Dec 2009 15:07:51 +0800 14343749