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      <title>数学趣味谜题（表内乘除、间隔、余数基础母题改编脑筋题） ...</title>
      <link>https://www.pkvpk.com/portal.php?mod=view&amp;aid=4611</link>
      <description><![CDATA[数学趣味谜题（表内乘除、间隔、余数基础母题改编脑筋题） 例：5 个小朋友分 4 颗糖，怎么分公平？答案：榨成糖水]]></description>
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      <pubDate>Thu, 11 Jun 2026 14:44:35 +0000</pubDate>
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