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	Các bình luận về: Giải SBT Bài 3: Các hệ thức lượng trong tam giác và giải tam giác – Chương 2 – Hình học 10	</title>
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		Bởi: Hoc trac nghiem		</title>
		<link>https://booktoan.com/giai-sbt-bai-3-cac-he-thuc-luong-trong-tam-giac-va-giai-tam-giac-chuong-2-hinh-hoc-10.html/comment-page-1#comment-13124</link>

		<dc:creator><![CDATA[Hoc trac nghiem]]></dc:creator>
		<pubDate>Sun, 13 Jan 2019 03:18:32 +0000</pubDate>
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					<description><![CDATA[Bài 2.35. a) cần chứng minh a = b.cosC + c.cosB 
&lt;img src=&quot;https://hoctracnghiem.com/wp-content/uploads/2019/01/b35-sbt-hh10.jpg&quot; alt=&quot;&quot; /&gt;
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			<content:encoded><![CDATA[<p>Bài 2.35. a) cần chứng minh a = b.cosC + c.cosB<br />
<img src="https://hoctracnghiem.com/wp-content/uploads/2019/01/b35-sbt-hh10.jpg" alt="" /></p>
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