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	<title>Comments on: Rompecabezas: Cuántos diamantes fueron robados?</title>
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		<title>By: Daniela</title>
		<link>http://revista.mis-remedios-caseros.com/rompecabezas-cuantos-diamantes-fueron-robados.htm#comment-514</link>
		<dc:creator>Daniela</dc:creator>
		<pubDate>Thu, 11 Mar 2010 06:49:56 +0000</pubDate>
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		<description>han sido robados 8 diamantes.

d + r + e = 29
r + e + z = 31
d + z = 18

r + e = x

d + x = 29                 z + x = 31         -d + z = 2
x + z = 31                -d - x = -29        z = 2 + d
                           
 d + z = 18
-d + z = 2
    2z = 20
     z = 10

d + z = 18
d + 10 = 18
d = 8</description>
		<content:encoded><![CDATA[<p>han sido robados 8 diamantes.</p>
<p>d + r + e = 29<br />
r + e + z = 31<br />
d + z = 18</p>
<p>r + e = x</p>
<p>d + x = 29                 z + x = 31         -d + z = 2<br />
x + z = 31                -d &#8211; x = -29        z = 2 + d</p>
<p> d + z = 18<br />
-d + z = 2<br />
    2z = 20<br />
     z = 10</p>
<p>d + z = 18<br />
d + 10 = 18<br />
d = 8</p>
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