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		<title>Формулы - История изменений</title>
		<link rel="self" type="application/atom+xml" href="https://psylab.info/index.php?action=history&amp;feed=atom&amp;title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B"/>
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		<updated>2026-10-12T15:56:57Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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	<entry>
		<id>https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9894&amp;oldid=prev</id>
		<title>Артём Клевцов в 05:03, 30 ноября 2014</title>
		<link rel="alternate" type="text/html" href="https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9894&amp;oldid=prev"/>
				<updated>2014-11-30T05:03:47Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ru'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 05:03, 30 ноября 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Строка 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Строка 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\frac{dy}{dx}&lt;/del&gt;&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;x + y&lt;/ins&gt;&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Артём Клевцов</name></author>	</entry>

	<entry>
		<id>https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9893&amp;oldid=prev</id>
		<title>Артём Клевцов в 04:47, 30 ноября 2014</title>
		<link rel="alternate" type="text/html" href="https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9893&amp;oldid=prev"/>
				<updated>2014-11-30T04:47:30Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ru'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 04:47, 30 ноября 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Строка 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Строка 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\sum^{n}_{i=1} {x_i}&amp;#160; \quad&amp;#160; &lt;/del&gt;\frac {&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;\sum^{n}_{i=1} {x_i}} {2}&amp;#160; \quad&amp;#160; \frac {\sum\limits^{n}_{i=1} {x_i}&lt;/del&gt;} {&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2&lt;/del&gt;}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\frac{&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dy&lt;/ins&gt;}{&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dx&lt;/ins&gt;}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Артём Клевцов</name></author>	</entry>

	<entry>
		<id>https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9892&amp;oldid=prev</id>
		<title>Артём Клевцов: Новая страница: «&lt;math&gt;\sum^{n}_{i=1} {x_i}  \quad  \frac {\sum^{n}_{i=1} {x_i}} {2}  \quad  \frac {\sum\limits^{n}_{i=1} {x_i}} {2}&lt;/math&gt;»</title>
		<link rel="alternate" type="text/html" href="https://psylab.info/index.php?title=%D0%A4%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D1%8B&amp;diff=9892&amp;oldid=prev"/>
				<updated>2014-11-30T04:33:40Z</updated>
		
		<summary type="html">&lt;p&gt;Новая страница: «&amp;lt;math&amp;gt;\sum^{n}_{i=1} {x_i}  \quad  \frac {\sum^{n}_{i=1} {x_i}} {2}  \quad  \frac {\sum\limits^{n}_{i=1} {x_i}} {2}&amp;lt;/math&amp;gt;»&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;math&amp;gt;\sum^{n}_{i=1} {x_i}  \quad  \frac {\sum^{n}_{i=1} {x_i}} {2}  \quad  \frac {\sum\limits^{n}_{i=1} {x_i}} {2}&amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Артём Клевцов</name></author>	</entry>

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