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 <title><![CDATA[老外式乘法]]></title>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963]]></link>
 <description><![CDATA[Latest 20 replies of 老外式乘法]]></description>
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 <description><![CDATA[有学问啊~
我也觉得不错诶~
有机会用用看
好像外国人5以上的数字好像不能用一个手来表达诶]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#610441]]></link>
 <author><![CDATA[老饭店的猪]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Sat, 12 Sep 2009 14:41:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[冰与火求团队收啊啊啊啊啊啊]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609989]]></link>
 <author><![CDATA[飞甩鸡毛2]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 17:04:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[21*13=(20+1)*(10+3)=20*10+1*3+20*3+1*10=273
123*321=(1/00/+2/0/+3)*(3/00/+2/0/+1)=....
只是将乘法交换律形象化]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609988]]></link>
 <author><![CDATA[飞甩鸡毛2]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 17:03:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[划线乘法还是很有用的，比如算432x142：

 [attachment=76728] 

如图，从右下往左上数交叉点，满10进位，等于61344。]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609986]]></link>
 <author><![CDATA[bbsriver]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 16:42:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[欧美的小学生不要求背乘法口诀表。所以他们心算不行，作乘法都是10以上用划线图，10以下用九宫阵或者手指头。

画线图就是像视频里演示的那么操作，很简单的。

九宫阵就是在纸上把1到9按顺序3个数一行写出来：
1 2 3
4 5 6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 
7 8 9

然后，在四方形的外围按顺时针 ..]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609985]]></link>
 <author><![CDATA[bbsriver]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 16:38:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我看跟在绳子上打结没啥区别]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609984]]></link>
 <author><![CDATA[galilette]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 16:09:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我学着样算过，结果给自己随手出的题诗：37*88 [s:8]]]></description>
 <link><![CDATA[http://li1005-185.members.linode.com/read.php?tid=96963#609983]]></link>
 <author><![CDATA[楼兰故衣]]></author>
 <category><![CDATA[哇啦哇啦 Discuss & Talk aloud]]></category>
 <pubdate><![CDATA[Fri, 04 Sep 2009 15:23:36 +0000]]></pubdate>
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