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<channel>
	<title>La Torre de Hanoi</title>
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	<link>http://latorredehanoi.wordpress.com</link>
	<description>Viure les matemàtiques a Mata de Jonc</description>
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		<title>La Torre de Hanoi</title>
		<link>http://latorredehanoi.wordpress.com</link>
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		<item>
		<title>Resolució d&#8217;un cub de Rubik de 20x20x20</title>
		<link>http://latorredehanoi.wordpress.com/2012/01/02/resolucio-dun-cub-de-rubik-de-20x20x20/</link>
		<comments>http://latorredehanoi.wordpress.com/2012/01/02/resolucio-dun-cub-de-rubik-de-20x20x20/#comments</comments>
		<pubDate>Mon, 02 Jan 2012 08:34:05 +0000</pubDate>
		<dc:creator>joan96</dc:creator>
				<category><![CDATA[Vídeos]]></category>
		<category><![CDATA[Rubik]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4684</guid>
		<description><![CDATA[Avui us mostrarem com, amb el programa de Gabbasoft Cube Demo, es pot fer un cub de Rubik de 20x20x20 en poc temps per les seves dimensions. Podeu descarregar aquest programa d&#8217;aquí.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4684&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Avui us mostrarem com, amb el programa de Gabbasoft <a href="http://www.speedsolving.com/wiki/index.php/Gabbasoft">Cube Demo</a>, es pot fer un cub de Rubik de 20x20x20 en poc temps per les seves dimensions.</p>
<p><iframe width="500" height="375" src="http://www.youtube.com/embed/FnbPhwajuqg?fs=1&#038;feature=oembed" frameborder="0" allowfullscreen></iframe></p>
<p>Podeu descarregar aquest programa d&#8217;<a href="http://www.4shared.com/file/56441894/74db1470/Gabbasoft.html">aquí</a>.</p>
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			<media:title type="html">joan96</media:title>
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	</item>
		<item>
		<title>Resum 2011</title>
		<link>http://latorredehanoi.wordpress.com/2012/01/01/resum-2011/</link>
		<comments>http://latorredehanoi.wordpress.com/2012/01/01/resum-2011/#comments</comments>
		<pubDate>Sun, 01 Jan 2012 06:26:45 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
				<category><![CDATA[Curiositats]]></category>
		<category><![CDATA[2011]]></category>
		<category><![CDATA[estadístiques]]></category>
		<category><![CDATA[resum]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4859</guid>
		<description><![CDATA[Cada cap d&#8217;any, WordPress.com fa estadístiques automatitzades de tots els seus blocs. Aquí en teniu un resum de l&#8217;informe de La Torre de Hanoi: Un metro de Nova York City té una capacitat de 1,200 viatgers. Aquest bloc va ser visualitzat 7.700 vegades el 2011. Si fos el metro de NYC, necessitaria 6 viatges per encabir [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4859&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Cada cap d&#8217;any, WordPress.com fa estadístiques automatitzades de tots els seus blocs.</p>
<div style="background:url('/wp-content/mu-plugins/annual-reports/img/emailteaser.jpg') no-repeat center center;height:300px;"></div>
<p>Aquí en teniu un resum de l&#8217;informe de La Torre de Hanoi:</p>
<blockquote><p>Un metro de Nova York City té una capacitat de 1,200 viatgers. Aquest bloc va ser visualitzat <strong>7.700</strong> vegades el 2011. Si fos el metro de NYC, necessitaria 6 viatges per encabir tot aquests visitants.</p></blockquote>
<p><a href="/2011/annual-report/">I aquí teniu l&#8217;informe sencer.</a> Bona entrada d&#8217;any!</p>
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		<media:content url="" medium="image">
			<media:title type="html">latorredehanoi</media:title>
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	</item>
		<item>
		<title>La història de la terra</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/31/la-historia-de-la-terra/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/31/la-historia-de-la-terra/#comments</comments>
		<pubDate>Sat, 31 Dec 2011 06:00:39 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
				<category><![CDATA[Infografies]]></category>
		<category><![CDATA[24h]]></category>
		<category><![CDATA[dia]]></category>
		<category><![CDATA[història]]></category>
		<category><![CDATA[terra]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4848</guid>
		<description><![CDATA[Bonica infografia d&#8217;Amazings:<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4848&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Bonica infografia d&#8217;<a href="http://amazings.es/2011/12/29/la-historia-de-la-tierra-en-24-horas/">Amazings</a>:</p>
<p style="text-align:center;"><a href="http://latorredehanoi.files.wordpress.com/2011/12/relojbig.png"><img class="aligncenter size-full wp-image-4874" title="RelojBIG" src="http://latorredehanoi.files.wordpress.com/2011/12/relojbig.png?w=500&#038;h=353" alt="" width="500" height="353" /></a></p>
<p style="text-align:center;">
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		<media:content url="" medium="image">
			<media:title type="html">latorredehanoi</media:title>
		</media:content>

		<media:content url="http://latorredehanoi.files.wordpress.com/2011/12/relojbig.png" medium="image">
			<media:title type="html">RelojBIG</media:title>
		</media:content>
	</item>
		<item>
		<title>Pi, més clar, impossible</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/30/una-bona-definicio-de-pi/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/30/una-bona-definicio-de-pi/#comments</comments>
		<pubDate>Fri, 30 Dec 2011 23:19:30 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
				<category><![CDATA[pi]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4810</guid>
		<description><![CDATA[Font: Wikimedia Commons.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4810&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p style="text-align:center;"><img class="aligncenter" title="Pi" src="http://upload.wikimedia.org/wikipedia/commons/2/2a/Pi-unrolled-720.gif" alt="" width="466" height="148" /></p>
<p>Font: <a href="http://commons.wikimedia.org/wiki/File:Pi-unrolled-720.gif">Wikimedia Commons</a>.</p>
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		<media:content url="" medium="image">
			<media:title type="html">latorredehanoi</media:title>
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		<media:content url="http://upload.wikimedia.org/wikipedia/commons/2/2a/Pi-unrolled-720.gif" medium="image">
			<media:title type="html">Pi</media:title>
		</media:content>
	</item>
		<item>
		<title>Alexis Lemaire</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/07/alexis-lemaire/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/07/alexis-lemaire/#comments</comments>
		<pubDate>Wed, 07 Dec 2011 08:23:51 +0000</pubDate>
		<dc:creator>jaumecladera</dc:creator>
				<category><![CDATA[Curiositats]]></category>
		<category><![CDATA[arrels]]></category>
		<category><![CDATA[càlcul mental]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4738</guid>
		<description><![CDATA[Alexis Lemaire va tornar a derrotar a les millors calculadores del món i va rompre a Londres el seu propi millor registre en aconseguir resoldre l&#8217;arrel 13a d&#8217;un nombre de 200 dígits en tan sols 70.2 segons rompent així el seu anterior rècord de 72.4 segons. Lemaire va calcular correctament la xifra 2.407.899.893.032.210, entre les 393 trilions [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4738&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><img class="alignright" src="http://www.planetacurioso.com/wp-content/uploads/2007/12/alexis-lemaire-resuelve.jpg" alt="" width="218" height="304" /> <a href="http://en.wikipedia.org/wiki/Alexis_Lemaire">Alexis Lemaire</a> va tornar a derrotar a les millors calculadores del món i va rompre a Londres el seu propi millor registre en aconseguir resoldre l&#8217;arrel 13a d&#8217;un nombre de <strong>200</strong> dígits en tan sols 70.2 segons rompent així el seu anterior rècord de 72.4 segons.</p>
<p>Lemaire va calcular correctament la xifra <strong>2.407.899.893.032.210</strong>, entre les <strong>393 trilions</strong> de respostes possibles. Aquest nombre multiplicat per sí mateix <strong>13</strong> vegades dóna l&#8217;immens nombre de <strong>200</strong> dígits que va ésser elegit aleatòriament per un ordinador.</p>
<p>Per saber-ne més, podeu accedir <a href="http://www.planetacurioso.com/2007/12/13/insolito-resuelve-raiz-decimotercera-de-un-numero-de-200-digitos-en-70-segundos/">aquí</a>.</p>
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		<media:content url="" medium="image">
			<media:title type="html">jaumecladera</media:title>
		</media:content>

		<media:content url="http://www.planetacurioso.com/wp-content/uploads/2007/12/alexis-lemaire-resuelve.jpg" medium="image" />
	</item>
		<item>
		<title>Gràfics de funcions a Google</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/06/grafics-de-funcions-a-google/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/06/grafics-de-funcions-a-google/#comments</comments>
		<pubDate>Tue, 06 Dec 2011 08:37:25 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
				<category><![CDATA[Curiositats]]></category>
		<category><![CDATA[Funcions]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4772</guid>
		<description><![CDATA[Des d&#8217;ahir, el cercador de Google ja mostra gràfics de funcions als seus resultats. En podeu veure un exemple aquí mateix. Font Vegeu també: La calculadora del Google<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4772&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Des d&#8217;ahir, el cercador de Google ja mostra gràfics de funcions als seus resultats. En podeu veure un exemple <a href="https://www.google.com/search?ie=UTF-8&amp;q=sin(x)/cos(x)#sclient=psy-ab&amp;hl=ca&amp;source=hp&amp;q=sin(x)%2Flog(x)&amp;pbx=1&amp;oq=sin(x)%2Flog(x)&amp;aq=f&amp;aqi=&amp;aql=1&amp;gs_sm=e&amp;gs_upl=61890l62212l7l62982l2l2l0l0l0l0l401l673l2-1.0.1l2l0&amp;bav=on.2,or.r_gc.r_pw.r_cp.,cf.osb&amp;fp=79f688b477f99b70&amp;biw=1366&amp;bih=654">aquí mateix</a>.</p>
<p><a href="http://latorredehanoi.files.wordpress.com/2011/12/googlegrc3a0fics.jpg"><img class="aligncenter size-full wp-image-4775" title="googlegràfics" src="http://latorredehanoi.files.wordpress.com/2011/12/googlegrc3a0fics.jpg?w=500&#038;h=275" alt="" width="500" height="275" /></a></p>
<p><a href="http://wwwhatsnew.com/2011/12/05/google-ya-muestra-graficos-de-funciones-matematicas-desde-el-buscador/">Font</a></p>
<p>Vegeu també: <a href="http://latorredehanoi.wordpress.com/2009/10/01/la-calculadora-del-google/">La calculadora del Google</a></p>
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			<media:title type="html">googlegràfics</media:title>
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		<title>Rècord mundial del cub de Rubik</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/05/record-mundial-del-cub-de-rubik/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/05/record-mundial-del-cub-de-rubik/#comments</comments>
		<pubDate>Mon, 05 Dec 2011 07:37:16 +0000</pubDate>
		<dc:creator>ffarre96</dc:creator>
				<category><![CDATA[Vídeos]]></category>
		<category><![CDATA[rècord]]></category>
		<category><![CDATA[Rubik]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4629</guid>
		<description><![CDATA[El Cub de Rubik va ser creat per el professor d&#8217;arquitectura Ernö Rubik el 1974. És un cub de sis cares dividides en quadrats d&#8217;un mateix color que es poden canviar de posició. L&#8217;objectiu del trencaclosques és aconseguir col·locar tots el quadrats de cada cara del cub amb el mateix color. A continuació teniu un vídeo [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4629&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>El <a href="http://ca.wikipedia.org/wiki/Cub_de_Rubik">Cub de Rubik</a> va ser creat per el professor d&#8217;arquitectura <a href="http://ca.wikipedia.org/wiki/Ern%C5%91_Rubik">Ernö Rubik</a> el 1974. És un cub de sis cares dividides en quadrats d&#8217;un mateix color que es poden canviar de posició. L&#8217;objectiu del trencaclosques és aconseguir col·locar tots el quadrats de cada cara del cub amb el mateix color.</p>
<p>A continuació teniu un vídeo on es mostra el rècord mundial d&#8217;aquest trencaclosques mecànic:</p>
<p><iframe width="500" height="281" src="http://www.youtube.com/embed/wIvHw17vuGU?fs=1&#038;feature=oembed" frameborder="0" allowfullscreen></iframe></p>
<p>En aquest vídeo, podem veure com <a href="http://en.wikipedia.org/wiki/Feliks_Zemdegs">Feliks Zemdegs</a>, un adolescent australià, desfà el cub de Rubik perquè no hi hagi sospites i després el torna a fer a gran velocitat amb un rècord mundial de 6.24 segons.</p>
<p>Aquest rècord <a href="http://www.geekosystem.com/rubiks-cube-world-record-6-24-seconds/">tengué lloc</a> el passat 7 de maig al campionat de <a href="http://ca.wikipedia.org/wiki/Melbourne">Melbourne</a>, a Austràlia, però posteriorment, encara ha millorat aquest rècord que ara està en 5.66 s.</p>
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			<media:title type="html">ffarre96</media:title>
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		<title>CubeStormer II</title>
		<link>http://latorredehanoi.wordpress.com/2011/12/04/cubestormer-ii/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/12/04/cubestormer-ii/#comments</comments>
		<pubDate>Sun, 04 Dec 2011 16:40:48 +0000</pubDate>
		<dc:creator>tomas1606</dc:creator>
				<category><![CDATA[Vídeos]]></category>
		<category><![CDATA[Rubik]]></category>

		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4705</guid>
		<description><![CDATA[Aquest vídeo mostra com una robot, creat per ARM, fa un cub de Rubik en 5.32 segons.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4705&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><iframe width="500" height="281" src="http://www.youtube.com/embed/_d0LfkIut2M?fs=1&#038;feature=oembed" frameborder="0" allowfullscreen></iframe></p>
<p>Aquest vídeo mostra com una robot, creat per <a href="http://www.arm.com/">ARM</a>, fa un cub de Rubik en 5.32 segons.</p>
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			<media:title type="html">tomas1606</media:title>
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		<title>Test de primalitat</title>
		<link>http://latorredehanoi.wordpress.com/2011/11/17/test-de-primalitat/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/11/17/test-de-primalitat/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 12:36:43 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
		
		<guid isPermaLink="false">http://latorredehanoi.wordpress.com/?p=4708</guid>
		<description><![CDATA[Heus aquí una petita aplicació que us ajudarà a comprovar si un número és primer o no, que és el que s&#8217;anomena test de primalitat. Si el que voleu és una petita aplicació que factoritzi un número, aquí en teniu una de molt bona. Si voleu una llista dels 1000 primers nombres primers, aquí la [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=latorredehanoi.wordpress.com&amp;blog=6589853&amp;post=4708&amp;subd=latorredehanoi&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Heus aquí una petita aplicació que us ajudarà a comprovar si un número és primer o no, que és el que s&#8217;anomena <a href="http://ca.wikipedia.org/wiki/Test_de_primalitat">test de primalitat</a>.</p>
<p style="text-align:center;"><a href="http://www.onlineconversion.com/prime.htm"><img class="aligncenter size-full wp-image-4711" title="Test de primalitat" src="http://latorredehanoi.files.wordpress.com/2011/11/captura.png?w=500" alt=""   /></a></p>
<p>Si el que voleu és una petita aplicació que factoritzi un número, <a href="http://latorredehanoi.wordpress.com/2010/01/25/descomposicio-factorial-de-nombres-naturals/">aquí en teniu una de molt bona</a>. Si voleu una llista dels 1000 primers nombres primers, <a href="http://primes.utm.edu/lists/small/1000.txt">aquí la teniu</a>.</p>
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			<media:title type="html">Test de primalitat</media:title>
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		<title>Millor que pi? Tau!</title>
		<link>http://latorredehanoi.wordpress.com/2011/11/06/millor-que-pi-tau/</link>
		<comments>http://latorredehanoi.wordpress.com/2011/11/06/millor-que-pi-tau/#comments</comments>
		<pubDate>Sun, 06 Nov 2011 20:46:06 +0000</pubDate>
		<dc:creator>Escola Mata de Jonc</dc:creator>
				<category><![CDATA[Curiositats]]></category>
		<category><![CDATA[Vídeos]]></category>
		<category><![CDATA[pi]]></category>
		<category><![CDATA[tau]]></category>

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			<content:encoded><![CDATA[<p><span style="text-align:center; display: block;"><a href="http://latorredehanoi.wordpress.com/2011/11/06/millor-que-pi-tau/"><img src="http://img.youtube.com/vi/IF1zcRoOVN0/2.jpg" alt="" /></a></span></p>
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