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      <title>EQUAZIONI  by paola</title>
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      <description>CLASSE 2 A</description>
      <language>en-us</language>
      <pubDate>2017-04-06 15:24:37 UTC</pubDate>
      <lastBuildDate>2017-04-20 14:29:35 UTC</lastBuildDate>
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         <title>BENVENUTI</title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/165174193</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-04-06 15:25:14 UTC</pubDate>
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      <item>
         <title></title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/165176253</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-04-06 15:30:38 UTC</pubDate>
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         <title>http://www.youmath.it/lezioni/algebra-elementare/equazioni.html</title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/167268104</link>
         <description><![CDATA[<div><a href="http://app.weschool.com/#group/16293/exercises/27473/run">http://app.weschool.com/#group/16293/exercises/27473/run</a></div>]]></description>
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         <pubDate>2017-04-20 14:13:30 UTC</pubDate>
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         <title>esempio 1</title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/167269072</link>
         <description><![CDATA[<div><figure class="attachment attachment-preview"><img src="http://www.my-personaltrainer.it/matematica/come-risolvere-equazioni-primo-grado/6.gif" height="564" width="586"><figcaption class="caption"></figcaption></figure></div>]]></description>
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         <pubDate>2017-04-20 14:16:12 UTC</pubDate>
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         <title>E&#39; l&#39;equazioneax2 + bx + c = 0Per risolverla basta applicare la formula risolutiva:         -b (b2 - 4ac)x1,2 = ----------------------                  2a </title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/167269676</link>
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         <pubDate>2017-04-20 14:18:01 UTC</pubDate>
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         <title>esempio2</title>
         <author>mail_paola_campana</author>
         <link>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/167270085</link>
         <description><![CDATA[<div>Facciamo un esercizio<br>  x<sup>2</sup> - 5x + 6 = 0 <br> i coefficienti sono</div><ul><li>a = 1</li><li>b = - 5</li><li>c = 6sostituisco nella formula</li></ul><div><br>           -(-5) <figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/piuomenorosso.jpg" height="40" width="30"><figcaption class="caption"></figcaption></figure><figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/radicearossa.jpg" height="60" width="40"><figcaption class="caption"></figcaption></figure>[(-5)<sup>2</sup> - 4(1)(6)]<br> x<sub>1,2</sub> = ----------------------------------<br>                  2(1) <br> eseguo i calcoli<br>           5 <figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/piuomenorosso.jpg" height="40" width="30"><figcaption class="caption"></figcaption></figure><figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/radicearossa.jpg" height="60" width="40"><figcaption class="caption"></figcaption></figure>[25 - 24]<br> x<sub>1,2</sub> = -------------------------<br>                  2 <br><br>           5 <figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/piuomenorosso.jpg" height="40" width="30"><figcaption class="caption"></figcaption></figure><figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/radicearossa.jpg" height="60" width="40"><figcaption class="caption"></figcaption></figure>1<br> x<sub>1,2</sub> = -----------------<br>                  2 <br> estraggo di radice<br>           5 <figure class="attachment attachment-preview"><img src="http://www.ripmat.it/mate/immagini/piuomenorosso.jpg" height="40" width="30"><figcaption class="caption"></figcaption></figure>1<br> x<sub>1,2</sub> = ------------<br>             2 <br> ora devo fare un bivio scegliendo una volta il meno e l'altra il piu'</div><ul><li> x<sub>1</sub> = (5 - 1)/2 = 4/2 = 2 </li><li>x<sub>2</sub> = (5 + 1)/2 = 6/2 = 3 </li></ul><div><br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-04-20 14:19:27 UTC</pubDate>
         <guid>https://padlet.com/mail_paola_campana/itqfh7prc47o/wish/167270085</guid>
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