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	<title>Comentários sobre: Fisica. grandezas fisica. já tentei resolver . preciso da resposta .</title>
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		<title>Por: Eng. Luiz</title>
		<link>http://www.professoronline.net/fisica-grandezas-fisica-ja-tentei-resolver-preciso-da-resposta/comment-page-1/#comment-698</link>
		<dc:creator><![CDATA[Eng. Luiz]]></dc:creator>
		<pubDate>Thu, 27 Dec 2012 20:27:15 +0000</pubDate>
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		<description><![CDATA[2m x 140m = 280 m² (área do muro)
1 galão pinta 16 m²
x -----------  280 m²
x = 280/16 = 17,5 galões
17,5 x 3,6 litros = 63 litros de tinta necessários para pintar o muro.]]></description>
		<content:encoded><![CDATA[<p>2m x 140m = 280 m² (área do muro)<br />
1 galão pinta 16 m²<br />
x &#8212;&#8212;&#8212;&#8211;  280 m²<br />
x = 280/16 = 17,5 galões<br />
17,5 x 3,6 litros = 63 litros de tinta necessários para pintar o muro.</p>
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