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	<title>《直观梯形等的面积算法》的评论</title>
	<link>http://xysblogs.org/abada/archives/4397</link>
	<description>新语丝abada博客</description>
	<pubDate>Wed, 29 Apr 2026 19:50:22 +0000</pubDate>
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	<item>
		<title>由：abada</title>
		<link>http://xysblogs.org/abada/archives/4397#comment-16811</link>
		<pubDate>Wed, 01 Apr 2009 11:38:00 +0000</pubDate>
		<guid>http://xysblogs.org/abada/archives/4397#comment-16811</guid>
					<description>yachull看官, 好的, 待我另起一文.</description>
		<content:encoded><![CDATA[<p>yachull看官, 好的, 待我另起一文.
</p>
]]></content:encoded>
				</item>
	<item>
		<title>由：yachull</title>
		<link>http://xysblogs.org/abada/archives/4397#comment-16806</link>
		<pubDate>Wed, 01 Apr 2009 08:48:26 +0000</pubDate>
		<guid>http://xysblogs.org/abada/archives/4397#comment-16806</guid>
					<description>请画出勾股定理的证明</description>
		<content:encoded><![CDATA[<p>请画出勾股定理的证明
</p>
]]></content:encoded>
				</item>
	<item>
		<title>由：契</title>
		<link>http://xysblogs.org/abada/archives/4397#comment-16796</link>
		<pubDate>Wed, 01 Apr 2009 06:00:13 +0000</pubDate>
		<guid>http://xysblogs.org/abada/archives/4397#comment-16796</guid>
					<description>如果把梯形旋转180度得到一个新的梯形，然后把它们将相等的腰拼在一起</description>
		<content:encoded><![CDATA[<p>如果把梯形旋转180度得到一个新的梯形，然后把它们将相等的腰拼在一起
</p>
]]></content:encoded>
				</item>
	<item>
		<title>由：是但啦</title>
		<link>http://xysblogs.org/abada/archives/4397#comment-16743</link>
		<pubDate>Tue, 31 Mar 2009 01:02:23 +0000</pubDate>
		<guid>http://xysblogs.org/abada/archives/4397#comment-16743</guid>
					<description>有用有趣，赞！！</description>
		<content:encoded><![CDATA[<p>有用有趣，赞！！
</p>
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