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		<title>1.5 Lösning 5c - Versionshistorik</title>
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		<updated>2026-11-05T23:38:49Z</updated>
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	<entry>
		<id>https://wiki.mattekollen.se/index.php?title=1.5_L%C3%B6sning_5c&amp;diff=3087&amp;oldid=prev</id>
		<title>Taifun den 10 mars 2011 kl. 14.00</title>
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				<updated>2011-03-10T14:00:14Z</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} 8^{3\,x+1} - 8^{3\,x} &amp;amp; = 448                       \\&lt;br /&gt;
              8^{3\,x} \cdot 8^1 - 8^{3\,x} &amp;amp; = 448                       \\&lt;br /&gt;
              8^{3\,x} \cdot (8 - 1)        &amp;amp; = 448                       \\&lt;br /&gt;
                           8^{3\,x} \cdot 7 &amp;amp; = 448  \qquad \; | \; /\, 7 \\&lt;br /&gt;
                                   8^{3\,x} &amp;amp; = 448 / 7                   \\&lt;br /&gt;
                                   8^{3\,x} &amp;amp; = 64                        \\&lt;br /&gt;
                                   8^{3\,x} &amp;amp; = 8^2                       \\&lt;br /&gt;
                                       3\,x &amp;amp; = 2                         \\&lt;br /&gt;
                                          x &amp;amp; = {2 \over 3}&lt;br /&gt;
        \end{align} &amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Taifun</name></author>	</entry>

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