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Antiguo 19-07-2003, 18:13:14
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wolvi wolvi is offline
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Fecha de Ingreso: Jun 2002
Predeterminado

lapiz_caro=a<br />
lapiz_barato=b<br />
<br />
b+100=a<br />
a+b=110 <·············:<br />
(100+b)+b=110 :<br />
100+2b=110 :<br />
2b=10 :<br />
b=10/2 :<br />
b=5 <····················<br />
<br />
eureka
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