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	<title>261 (số) - Lịch sử thay đổi</title>
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	<updated>2026-08-11T11:39:35Z</updated>
	<subtitle>Lịch sử thay đổi trang này trên wiki</subtitle>
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		<id>https://wikibeta.org/index.php?title=261_(s%E1%BB%91)&amp;diff=6498167&amp;oldid=prev</id>
		<title>imported&gt;TheSecondFunnyYellowBot: WPCleaner v2.05b - Fix errors for CW project (Reference before punctuation)</title>
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		<updated>2025-11-17T15:44:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/index.php?title=En:WP:CLEANER&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;En:WP:CLEANER (trang không tồn tại)&quot;&gt;WPCleaner&lt;/a&gt; v2.05b - Fix errors for &lt;a href=&quot;/index.php?title=WP:WCW&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;WP:WCW (trang không tồn tại)&quot;&gt;CW project&lt;/a&gt; (Reference before punctuation)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Trang mới&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{số|số=261|phân tích=3 x 3 x 29|chia hết=1, 3, 9, 29, 87, 261&amp;lt;ref&amp;gt;mỗi số đều có dấu hiệu chia hết riêng&amp;lt;/ref&amp;gt;}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;261&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;hai trăm sáu mươi mốt&amp;#039;&amp;#039;&amp;#039;) là một [[số tự nhiên]]&amp;lt;ref&amp;gt;hệ thập phân&amp;lt;/ref&amp;gt; ngay sau [[260 (số)|260]] và ngay trước [[262 (số)|262]].&amp;lt;ref&amp;gt;[[toán học]]&amp;lt;/ref&amp;gt;&lt;br /&gt;
{{thể loại Commons|261 (number)}}&lt;br /&gt;
&lt;br /&gt;
== Tham khảo ==&lt;br /&gt;
{{tham khảo}}&lt;br /&gt;
&lt;br /&gt;
{{sơ khai toán học}}&lt;br /&gt;
{{Số nguyên}}&lt;/div&gt;</summary>
		<author><name>imported&gt;TheSecondFunnyYellowBot</name></author>
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