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		<id>https://geometrie.idea-sketch.com/index.php?title=Eigenschaften_von_Vierecken_SoSe_17&amp;diff=30347</id>
		<title>Eigenschaften von Vierecken SoSe 17</title>
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		<updated>2017-07-11T08:56:08Z</updated>

		<summary type="html">&lt;p&gt;Mafamafa: Die Seite wurde neu angelegt: „&amp;lt;iframe scrolling=&amp;quot;no&amp;quot; title=&amp;quot;Das Rechteck&amp;quot; src=&amp;quot;https://www.geogebra.org/material/iframe/id/X6x4hrgA/width/1271/height/835/border/888888/smb/false/stb/false/s…“&lt;/p&gt;
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		<author><name>Mafamafa</name></author>
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