正整數
This article "正整數" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:正整數. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one. 脚本错误：没有“Message box”这个模块。 This article "正整數" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:正整數. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one. 脚本错误：没有“Message box”这个模块。 脚本错误：没有“Message box”这个模块。 Template:Numbers 正整數，在数学中是指大於0的整數。正整數是正数与整数的交集。和整數一样，正整數也是一個可數的無限集合。這個集合在数学上通常用粗體Z+或来表示。在数论中，正整數也可稱為自然数，即1、2、3……；但在集合论和计算机科学中，自然数则通常是指非负整数，即正整數与0的 集合。
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Template:数学小作品 This article "正整數" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:正整數. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.
