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 <title><![CDATA[32减法的结果应该是正数，怎么会出现负数]]></title>
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 <description><![CDATA[Latest 50 replies of 32减法的结果应该是正数，怎么会出现负数]]></description>
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 <description><![CDATA[你不知道整数有有符号和无符号的？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1447634#1539753.html]]></link>
 <author><![CDATA[hsqknx]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 14 Feb 2014 09:05:39 +0000]]></pubdate>
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 <description><![CDATA[[s:28]&nbsp;&nbsp;32位。····]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1447634#1539167.html]]></link>
 <author><![CDATA[lovejiedyy]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 12 Feb 2014 07:47:22 +0000]]></pubdate>
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 <description><![CDATA[楼主，被减数小于减数，计算结果的差=负数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1447634#1538750.html]]></link>
 <author><![CDATA[gongling888]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Feb 2014 02:13:40 +0000]]></pubdate>
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 <description><![CDATA[请问 0-120 
结果是什么]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1447634#1538744.html]]></link>
 <author><![CDATA[tkggtdkjpl]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 11 Feb 2014 01:55:52 +0000]]></pubdate>
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