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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-1-square-root-and-cubic-root-2/]]></guid>
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			<title>Mathematics Grade9 Lesson 1: Square root and cube root</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 10:00:16 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-1-operation-on-radicals-part-1/]]></guid>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៖ ប្រមាណវិធីលើរ៉ាឌីកាល់ (ភាគ១)</title>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៖ ប្រមាណវិធីលើរ៉ាឌីកាល់ (ភាគ២)</title>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៖ ប្រមាណវិធីលើរ៉ាឌីកាល់ (ភាគ៣)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:58:55 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-1-operation-on-radicals-part-4/]]></guid>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៖ ប្រមាណវិធីលើរ៉ាឌីកាល់ (ភាគ៤)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:58:40 +0000]]></pubDate>
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			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-2/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី២៖ ចំណោទដែលទាក់ទងនឹងសមាមាត្រ និងចំណោទដែលទាក់ទងនឹងភាគរយ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:58:22 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-2-percentage-increase-and-decrease-issues/]]></guid>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី២៖ ចំណោទនៃភាគរយកើន និងថយ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:58:03 +0000]]></pubDate>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី២៖ ការប្រាក់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:57:42 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-3-multiplication-of-arithmetic-expressions/]]></guid>
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			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៣៖ ផលគុណនៃកន្សោមពីជគណិត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:57:27 +0000]]></pubDate>
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			<pubDate><![CDATA[Mon, 08 Jun 2026 09:57:09 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-3-putting-arithmetic-expressions-as-a-factor-part-2/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-3-putting-arithmetic-expressions-as-a-factor-part-2/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៣៖ ការដាក់កន្សោមពីជគណិតជាផលគុណកត្តា (ភាគ២)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:56:33 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-3-operations-on-rational-expression/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-3-operations-on-rational-expression/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៣៖ ប្រមាណវិធីលើកន្សោមសនិទាន</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:55:55 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-the-first-degree-equation-has-one-variable/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-the-first-degree-equation-has-one-variable/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៤៖ សមីការដឺក្រេទី១មានមួយអញ្ញាត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:55:28 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-equations-that-involve-fractional-forms/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-equations-that-involve-fractional-forms/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៤៖ សមីការដឺក្រេទី១មានមួយអញ្ញាតមានភាគបែងជាលេខ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:55:06 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-solve-equations-by-factoring/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-solve-equations-by-factoring/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៤៖ សមីការដែលមានអង្គទី១ជាផលគុណកត្តា</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:54:46 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-problem-solving-of-equations/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-4-linear-equations-problem-solving-of-equations/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៤៖ ចំណោទសមីការដឺក្រេទី១មានមួយអញ្ញាត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:54:24 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-equations-exercises/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-equations-exercises/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៤៖ សមីការដឺក្រេទី១មានមួយអញ្ញាត (លំហាត់)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:54:09 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-5/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-5/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៥៖ លក្ខណៈនៃវិសមភាព</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:53:50 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-solve-inequalities/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-solve-inequalities/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៥៖ វិសមីការដឺក្រេទី១មានមួយអញ្ញាត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:53:25 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-simultaneous-inequalities/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-simultaneous-inequalities/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៥៖ ប្រព័ន្ធវិសមីការដឺក្រេទី១មានអញ្ញាត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:53:10 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-problem-solving-of-inequalities/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-problem-solving-of-inequalities/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៥៖ វិសមីការដឺក្រេទី១មានមួយអញ្ញាត (ចំណោទ)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:52:39 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-exercises/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-5-linear-inequality-exercises/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៥៖ វិសមីការដឺក្រេទី១មានមួយអញ្ញាត លំហាត់ចុងមេរៀន</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:52:16 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-6-frequency-distribution-frequency-distribution/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-6-frequency-distribution-frequency-distribution/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៦៖ ការផ្តុំទិន្នន័យជាប្រេកង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:51:54 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-6-frequency-distribution-grouped-frequency-distribution/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-6-frequency-distribution-grouped-frequency-distribution/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៦៖ ការផ្តុំទិន្នន័យជាថ្នាក់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:51:36 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-7-medium-median-and-mode/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-7-medium-median-and-mode/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៧៖ មធ្យម មេដ្យាន និងម៉ូត</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:51:11 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-7-average-statistical-setting-by-rising-frequency-table/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-7-average-statistical-setting-by-rising-frequency-table/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៧៖ ការកំណត់់មធ្យមស្ថិតិតាមតារាងប្រេកង់កើន</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:50:58 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-6/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-6/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៨៖ ប្រូបាបនៃព្រឹត្តិការណ៍</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:50:43 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-8-probability-of-completed-events-and-probability-of-multiple-experiences/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-8-probability-of-completed-events-and-probability-of-multiple-experiences/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៨៖ ប្រូបាបនៃព្រឹត្តិការណ៍បំពេញ ប្រូបាបនៃព្រឹត្តិការណ៍ដែលបទពិសោធន៍ច្រើនដង</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:50:28 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-8-multiplication-of-probabilities/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-8-multiplication-of-probabilities/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៨៖ ផលគុណនៃប្រូបាប</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:50:08 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-7/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-7/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៩៖ ចម្ងាយរវាងពីរចំណុច</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:49:49 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-9-center-coordinates/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-9-center-coordinates/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី៩៖ កូអរដោនេចំណុចកណ្តាល</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:49:22 +0000]]></pubDate>
		</item>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-line-construction/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-line-construction/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១០៖ ការសង់បន្ទាត់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:48:54 +0000]]></pubDate>
		</item>
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			<guid><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-8/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-8/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១០៖ សមីការនៃបន្ទាត់ (ភាគ១)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:48:35 +0000]]></pubDate>
		</item>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-equations-of-lines-part-2/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-equations-of-lines-part-2/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១០៖ សមីការនៃបន្ទាត់ (ភាគ២)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:48:17 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-equations-of-lines-part-3/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-equations-of-lines-part-3/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១០៖ សមីការនៃបន្ទាត់ (ភាគ៣)</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:48:01 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-apply/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-10-apply/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១០៖ អនុវត្តន៍</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:47:33 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-solve-a-system-of-graphical-equation/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-solve-a-system-of-graphical-equation/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១១៖ ដំណោះស្រាយប្រព័ន្ធសមីការតាមក្រាភិច</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:47:07 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-solve-a-system-of-equation-by-alternatively-by-addition-and-subtraction/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-solve-a-system-of-equation-by-alternatively-by-addition-and-subtraction/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១១៖ ដំណោះស្រាយប្រព័ន្ធសមីការតាមវិធីជំនួស និងតាមវិធីបូកបំបាត់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:46:21 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-problem-of-systems-of-equations/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-11-problem-of-systems-of-equations/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១១៖ ចំណោទនៃប្រព័ន្ធសមីការ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:45:39 +0000]]></pubDate>
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			<guid><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-9/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/គណិតវិទ្យា-ថ្នាក់ទី៩-មេ-9/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១២៖ ទ្រឹស្តីបទទ្រឹស្តីបទតាលែស</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:44:33 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-12-pythagoras-theorem-applications-of-pythagoras-theorem/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-12-pythagoras-theorem-applications-of-pythagoras-theorem/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១២៖ អនុវត្តន៍ទ្រឹស្តីបទពីតាគ័រ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:42:35 +0000]]></pubDate>
		</item>
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			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-properties-of-chord/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-properties-of-chord/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៣៖ លក្ខណៈនៃអង្កត់ធ្នូ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:42:10 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-properties-of-tangent/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-properties-of-tangent/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៣៖ លក្ខណៈនៃបន្ទាត់ប៉ះរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:41:42 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-applications-of-tangent/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-applications-of-tangent/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៣៖ អនុវត្តន៍លក្ខណៈនៃបន្ទាត់ប៉ះ</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:41:04 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-relative-position-of-two-circles-2/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-relative-position-of-two-circles-2/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៣៖ ទីតាំងរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:40:38 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-common-tangents/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-13-circle-and-line-common-tangents/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៣៖ បន្ទាត់ប៉ះរួម</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:39:28 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-central-angles-and-inscribed-angles/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-central-angles-and-inscribed-angles/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៤៖ មុំផ្ចឹត និង មុំចារឹកក្នុងរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:39:03 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-angle-properties-of-circles/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-angle-properties-of-circles/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៤៖ លក្ខណះមុំចារឹកក្នុងរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:37:24 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-angles-in-a-semicircle/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-angles-in-a-semicircle/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៤៖ មុំចារឹកក្នុងកន្លះរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:36:26 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-inscribed-quadrilateral-in-circle/]]></guid>
			<link><![CDATA[https://ebc.edu.kh/mathematics-grade9-lesson-14-angle-properties-of-circles-inscribed-quadrilateral-in-circle/]]></link>
			<title>គណិតវិទ្យា ថ្នាក់ទី៩ មេរៀនទី១៤៖ លក្ខណៈមុំនៃរង្វង់ មុំនៃចតុកោណចារឹកក្នុងរង្វង់</title>
			<pubDate><![CDATA[Mon, 08 Jun 2026 09:34:54 +0000]]></pubDate>
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