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	<title>Marginal rate of substitution - Revision history</title>
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	<updated>2026-04-23T07:51:55Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<title>130.132.173.85 at 17:25, 14 December 2014</title>
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		<updated>2014-12-14T17:25:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Marginal_rate_of_substitution&amp;amp;diff=230340&amp;amp;oldid=4790&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>130.132.173.85</name></author>
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		<id>https://en.formulasearchengine.com/index.php?title=Marginal_rate_of_substitution&amp;diff=4790&amp;oldid=prev</id>
		<title>145.97.245.249: /* See also */</title>
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		<updated>2013-10-10T10:59:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;See also&lt;/span&gt;&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Marginal_rate_of_substitution&amp;amp;diff=4790&amp;amp;oldid=230339&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>145.97.245.249</name></author>
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		<id>https://en.formulasearchengine.com/index.php?title=Marginal_rate_of_substitution&amp;diff=230339&amp;oldid=prev</id>
		<title>en&gt;Helpful Pixie Bot: ISBNs (Build KH)</title>
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		<updated>2012-05-12T04:56:03Z</updated>

		<summary type="html">&lt;p&gt;ISBNs (Build KH)&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Marginal_rate_of_substitution&amp;amp;diff=230339&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;Helpful Pixie Bot</name></author>
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