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		<title>1.5 Lösning 5a - Versionshistorik</title>
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		<updated>2026-11-06T00:35:38Z</updated>
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	<entry>
		<id>https://wiki.mattekollen.se/index.php?title=1.5_L%C3%B6sning_5a&amp;diff=3083&amp;oldid=prev</id>
		<title>Taifun den 10 mars 2011 kl. 13.32</title>
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				<updated>2011-03-10T13:32:31Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Ny sida&lt;/b&gt;&lt;/p&gt;&lt;div&gt;::&amp;lt;math&amp;gt;\begin{align} (3^x + 3^{x+1}) \,/\, 4\; &amp;amp; = \; 9  \qquad \; | \; \cdot 4  \\&lt;br /&gt;
                                  3^x + 3^{x+1} &amp;amp; = \; 36                         \\&lt;br /&gt;
                            3^x + 3^x \cdot 3^1 &amp;amp; = \; 36                         \\&lt;br /&gt;
                                3^x \cdot (1+3) &amp;amp; = \; 36                         \\&lt;br /&gt;
                                    4 \cdot 3^x &amp;amp; = \; 36  \qquad | \; / 4        \\&lt;br /&gt;
                                            3^x &amp;amp; = \;  9                         \\&lt;br /&gt;
                                            3^x &amp;amp; = \;  3^2                       \\&lt;br /&gt;
                                              x &amp;amp; = \;  2&lt;br /&gt;
        \end{align} &amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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