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      <title> BÀI TẬP TOÁN 8, 9 by bao pham quoc</title>
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      <description>Em hãy bấm vào dấu cộng để trả lời câu hỏi. HÃY KÉO THANH CÔNG CỤ NGANG SANG PHẢI ĐỂ TÌM LỚP NHÉ.</description>
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      <pubDate>2021-10-30 08:03:24 UTC</pubDate>
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         <author>baongoc8384</author>
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         <pubDate>2021-10-30 08:17:57 UTC</pubDate>
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         <title></title>
         <author>baongoc8384</author>
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         <pubDate>2021-10-30 08:25:12 UTC</pubDate>
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         <title></title>
         <author>baongoc8384</author>
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         <pubDate>2021-11-17 03:02:02 UTC</pubDate>
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         <title></title>
         <author>baongoc8384</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2021-11-17 03:12:48 UTC</pubDate>
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         <title></title>
         <author>baongoc8384</author>
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         <pubDate>2021-11-17 04:03:49 UTC</pubDate>
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      <item>
         <title>Kiều Đức Tân Lớp 9B</title>
         <author>ductanz1102</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1896799725</link>
         <description><![CDATA[<div>Một Số Hệ Thức Về Cạnh Và Góc Trong Tam Giác Vuông :<br>*<strong>Các hệ thức:<br>_</strong>Trong một tam giác vuông, mỗi cạnh góc vuông bằng:<br>+Cạnh huyền nhân với sin góc đối hoặc nhân với côsin góc kề.<br>+Cạnh góc vuông kia nhân với tang góc đối hoặc nhân với côtang góc kề<br> _Công Thức :<br>b=a.sinB=a.cosC;<br>b=c.tanB=c.cotC;<br>c=a.sinC=a.cosB;<br>c=b.tanC=b.cotB.<br>*<strong>Chú ý:<br></strong>Trong một tam giác vuông nếu cho trước hai yếu tố (trong đó có ít nhất một yếu tố về cạnh và không kể góc vuông) thì ta sẽ tìm được các yếu tố còn lại.<br>*<strong> Các dạng toán thường gặp:<br>_Dạng 1: Giải tam giác vuông</strong></div><div><strong>Phương pháp:</strong></div><div>+ Giải tam giác là tính độ dài các cạnh và số đo các góc dựa vào dữ kiện cho trước của bài toán.</div><div>+ Trong tam giác vuông, ta dùng hệ thức giữa cạnh và các góc của một tam giác vuông để tính toán<br>_<strong>Dạng 2: Tính cạnh và góc của tam giác</strong></div><div><strong>Phương pháp:</strong></div><div>Bằng cách kẻ thêm đường cao (nếu cần) ta làm xuất hiện tam giác vuông để áp dụng các hệ thức giữa cạnh và góc thích hợp.<br>*Bài Toán Cụ Thể :<br>_Các tia nắng mặt trời tạo với mặt đất một góc xấp xỉ bằng 34 độ và bóng của một tháo trên mặt đất dài 86m . Tính chiều cao của tháp (làm tròn đến mét)</div><div><strong>Lời giải:</strong></div><div>Kí hiệu đỉnh như hình vẽ. Theo hệ thức giữa các cạnh và góc của tam giác vuông, ta có:</div><div>AB = AC.tg34<sup>o</sup> = 86.tg34<sup>o</sup> ≈ <strong>58 (m)</strong></div><div>Vậy chiều cao tòa nhà là 58m</div>]]></description>
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         <pubDate>2021-11-17 13:12:15 UTC</pubDate>
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         <title>Ninh mai phương lớp 9A                         </title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1896846204</link>
         <description><![CDATA[<div>&nbsp; &nbsp;* các hệ thức<br>Trong 1 tam giác vuông,mỗi cạnh góc vuông bằng:<br>-Cạnh huyền nhân với sin góc đối hoặc cosin góc kề<br>-Cạnh góc vuông kia nhân với tang góc đối hoặc cotan góc kề<br>* Công thức<br>b=a.sinB=a.cosB<br>c=a.sinC=a.cosB<br>b=c.tanB=c.cotanC<br>c=b.tanC=b.cotanB<br>Ví dụ về bài tập giải tam giác vuông:<br>Cho tam giác ABC vuông tại B,AB=8cm,góc C=35 độ.Tính độ dài BC,AC và góc A</div>]]></description>
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         <pubDate>2021-11-17 13:30:53 UTC</pubDate>
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         <title>TRẦN THỊ HỒNG LÊ LỚP 9B</title>
         <author>tranhongle34</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1896949615</link>
         <description><![CDATA[<div>*Các hệ thức:<br>-Trong tam giác vuông ,mỗi cạnh góc vuông bằng :<br>+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề<br>+ Cạnh góc vuông kia nhân với tang góc đối hoặc nhân với cot góc kề<br>- Công thức :<br>&nbsp;b = a.sinB = a.cosC ;<br>&nbsp;b = c.tgB = c.cotC ;<br>&nbsp;c = a.sinC = a.cosB ;<br>&nbsp;c = b.tgC = b.cotB ;<br>* Ví dụ về bài tập giải tam giác vuông :<br>Cho tam giác vuông ABC với các cạnh góc vuông AB = 7, AC = 10 . Hãy giải tam giác vuông ABC</div>]]></description>
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         <pubDate>2021-11-17 14:07:59 UTC</pubDate>
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      <item>
         <title>Trần Huy 9A</title>
         <author>tranquochuy</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1897209173</link>
         <description><![CDATA[<div>Trong 1 tam giác vuông,mỗi cạnh góc vuông bằng:<br>-Cạnh huyền nhân với sin góc đối hoặc&nbsp; nhân với cosin góc kề<br>-Cạnh góc vuông kia nhân với tang góc đối hoặc nhân với cotan góc kề<br>* Công thức<br>b=a.sinB=a.cosB<br>c=a.sinC=a.cosB<br>b=c.tanB=c.cotanC<br>c=b.tanC=b.cotanB<br>*Ví dụ :&nbsp;Tam giác ABC vuông tại A, AB= 4 cm , Góc B =45° .Giải tam giác ABC<br><br></div>]]></description>
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         <pubDate>2021-11-17 15:33:35 UTC</pubDate>
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      <item>
         <title>Đỗ Thuỳ Trang [lớp 9]</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1898773690</link>
         <description><![CDATA[<div>Một Số Hệ Thức Về Cạnh Và Góc Trong Tam Giác Vuông :</div><div>*Các hệ thức:</div><div>_Trong một tam giác vuông, mỗi cạnh góc vuông bằng:</div><div>+Cạnh huyền nhân với sin góc đối hoặc nhân với côsin góc kề.</div><div>+Cạnh góc vuông kia nhân với tang góc đối hoặc nhân với côtang góc kề</div><div><br>Công Thức :</div><div>b=a.sinB=a.cosC;</div><div>b=c.tanB=c.cotC;</div><div>c=a.sinC=a.cosB;</div><div>c=b.tanC=b.cotB.<br><br></div><div>*Chú ý:</div><div>Trong một tam giác vuông nếu cho trước hai yếu tố (trong đó có ít nhất một yếu tố về cạnh và không kể góc vuông) thì ta sẽ tìm được các yếu tố còn lại.<br><br></div><div>* Các dạng bài :</div><div>_Dạng 1: Giải tam giác vuông</div><div>Phương pháp:</div><div>+ Giải tam giác là tính độ dài các cạnh và số đo các góc dựa vào dữ kiện cho trước của bài toán.</div><div>+ Trong tam giác vuông, ta dùng hệ thức giữa cạnh và các góc của một tam giác vuông để tính toán</div><div><br></div><div><strong>Ví dụ 1:</strong> Giải tam giác ABC vuông tại A biết AC = 4,1 cm; BC = 5,7 cm</div><div><strong>Giải:</strong></div><div><br></div><div>&nbsp; &nbsp; Xét tam giác ABC vuông tại A:</div><div>&nbsp; &nbsp; Áp dụng định lí Pytago có:</div><div>&nbsp; &nbsp; BC<sup>2</sup>= AB<sup>2</sup>+ AC<sup>2<br>=&gt;&nbsp; </sup>AB=√AB<sup>2- </sup>AC<sup>2 </sup>≈4cm<br>Sin B= AC/BC = 4,1/5,7 = 0,72 =&gt; góc B≈46°<br>Góc C = 90°-46°=44°</div><div><br></div><div>_Dạng 2: Tính cạnh và góc của tam giác</div><div>Phương pháp:</div><div><br></div><div>Cho tam giác ABC có AB=16cm, AC=14cm, B=60°</div><div>a/Tính độ dài cạnh BC</div><div>b/Tính diện tích tam giác ABC</div><div>Giải:</div><div>Kẻ AH vuông góc với BC tam giác AHC có góc H=90°</div><div>=&gt;sinB= AH/AB</div><div>=&gt;AH=sinB.AH=sin60°. 16 =<strong>8</strong>√3cm</div><div>CosB= BH/AB =&gt;BH=cosB.AB=cos60°.16=8cm tam giác AHC vuông tại H .</div><div>Áp dụng định lí Py-ta-gô vào tam giác vuông AHC.</div><div>HC<sup>2</sup>=AC<sup>2 - </sup>AH<sup>2</sup>=14<sup>2</sup>-<strong>8</strong>√3<sup>2</sup>=196-192=4</div><div>=&gt;HC =2</div><div>Vậy BC=CH+HB=2+8=10<br><br>b/<strong>S</strong>ABC= 1/2 AH.BC= 1/2.<strong> 8</strong>√3.10=40√3(cm<sup>2</sup>)<br><br></div>]]></description>
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         <pubDate>2021-11-18 06:06:19 UTC</pubDate>
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      <item>
         <title>Nguyễn Bảo Trân lớp 9</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1898773926</link>
         <description><![CDATA[<div>* Một số hệ thức về cạnh và góc trong tam giác vuông :<br>&nbsp; &nbsp;- Trong tam giác vuông , mỗi cạnh góc vuông bằng :<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; + Cạnh góc vuông kia nhân với tan góc đối hoặc nhân với cot góc kề<br>&nbsp; &nbsp;- Như vậy , ta có :<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b = a.sin B = a.cos C<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;c = a.sin C = a.cos B<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b = a.tan B = a.cot C<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;c = a.tan C = a.cot B<br>* Ví dụ về bài toán giải tam giác vuông :<br>   Giải tam giác vuông ABC vuông tại A, biết AB = 10cm, góc B = 30°</div>]]></description>
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         <pubDate>2021-11-18 06:06:33 UTC</pubDate>
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      <item>
         <title>Hà Ngọc Nhàn ( Lớp 9 )</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1898853772</link>
         <description><![CDATA[<div>* Một số hệ thức về cạnh và góc trong tam giác vuông :<br>&nbsp; &nbsp; - Trong tam giác vuông mỗi cạnh góc vuông bằng :&nbsp;<br>+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề;&nbsp;<br>+ Cạnh góc vuông kia nhân với tan góc đối hoặc nhân với cot góc kề<br>&nbsp; &nbsp;<br>&nbsp;-Ta có các hệ thức :<br>&nbsp; &nbsp; + b = a.sin B = a.cos C&nbsp;<br>&nbsp; &nbsp; + c = a.sin C = a.cos B&nbsp;<br>&nbsp; &nbsp; + b = c.tan B = c.cot C<br>&nbsp; &nbsp; + c = b.tan C = b.cot B<br><br>Ví dụ giải tam giác vuông :<br>  Cho tam giác MNP vuông tại M&nbsp;; có góc N = 30° , NP = 7 . Hãy giải tam giác vuông MNP</div>]]></description>
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         <pubDate>2021-11-18 07:07:35 UTC</pubDate>
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      <item>
         <title>Hà Ngọc Thanh (Lớp 9)</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1898857812</link>
         <description><![CDATA[<div>Một số hệ thức về cạnh và góc trong tam giác vuông:<br>Trong tam giác vuông mỗi cạnh góc vuông bằng :<br>&nbsp;+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề;<br>&nbsp;+ Cạnh góc vuông kia nhân với tan góc đối hoặc nhân với cot góc kề<br><br>-Ta có các hệ thức :<br>+ b = a.sin B = a.cos C<br>+ c = a.sin C = a.cos B&nbsp;<br>+ b = c.tan B = c.cot C<br>+ c = b.tan C = b.cot B<br><br>Ví dụ:<br>&nbsp;Cho tam giác LMN vuông tại L có góc M = 50°, LM =3. Hãy giải tam giác vuông LNM.</div>]]></description>
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         <pubDate>2021-11-18 07:10:39 UTC</pubDate>
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      </item>
      <item>
         <title>Lý Thị Bình Nhi</title>
         <author>dkhai824</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899069285</link>
         <description><![CDATA[<div>*Một số hệ thức về cạnh và góc trong tam giác vuông:<br>-Trong tam giác vuông mỗi cạnh góc vuông bằng :<br>&nbsp;+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề.&nbsp;<br>+ Cạnh góc vuông kia nhân với tan góc đối hoặc nhân với cot góc kề<br><br>-Ta có các hệ thức :<br>b = a.sin B = a.cos C&nbsp;<br>c = a.sin C = a.cos B&nbsp;<br>b = c.tan B = c.cot C<br>c = b.tan C = b.cot B<br><br>*ví dụ về giải tam giác vuông:<br>Cho tam giác MNQ vuông tại M có N=60°,MN=4.Hãy giải tam giác vuông MNQ.<br><br></div>]]></description>
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         <pubDate>2021-11-18 09:21:00 UTC</pubDate>
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      <item>
         <title>Nguyễn Anh Tuấn lớp 9 </title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899394066</link>
         <description><![CDATA[<div>* Một số hệ thức về cạnh và góc trong tam giác vuông :<br>&nbsp; &nbsp;- Trong tam giác vuông , mỗi cạnh góc vuông bằng :<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;+ Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; + Cạnh góc vuông kia nhân với tan góc đối hoặc nhân với cot góc kề<br>&nbsp; &nbsp;- Như vậy , ta có :<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b = a.sin B = a.cos C<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;c = a.sin C = a.cos B<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b = a.tan B = a.cot C<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;c = a.tan C = a.cot B<br>* Ví dụ về bài toán trong tam giác vuông :<br>Giải tam giác ABC vuông tại A; biết a=20cm; b=12cm.</div>]]></description>
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         <pubDate>2021-11-18 12:46:09 UTC</pubDate>
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      <item>
         <title>Trần Ngọc Mai Anh 9A</title>
         <author>hongocminh77</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899591081</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-18 14:05:45 UTC</pubDate>
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         <title>Nguyễn Trần Thế Anh</title>
         <author>hongocminh77</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899594852</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-18 14:07:09 UTC</pubDate>
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      <item>
         <title>Lê  Gia Huy - 9A</title>
         <author>hongocminh77</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899597986</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-18 14:08:16 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1899597986</guid>
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         <title>Đỗ Khánh Ly (lớp 9A)</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1901551554</link>
         <description><![CDATA[<div><br><strong>MỘT SỐ HỆ THỨC VỀ CẠNH VÀ GÓC TRONG TAM GIÁC VUÔNG</strong></div><div>A. <strong>Kiến thức cần nhớ</strong></div><div><strong>1. Định lí</strong>Trong một tam giác vuông, mỗi cạnh góc vuông bằng:• Cạnh huyền nhân với sin góc đối hoặc nhân với côsin góc kề;• Cạnh góc vuông kia nhân với tang góc đối hoặc nhân với côtanggóc kềTrong hình bên thì:<strong>2. Giải tam giác vuông</strong>Là tìm tất cả các cạnh và góc của tam giác vuông B khi biết hai yếu tố của nó (trong đó ít nhất có một yếu tố về độ dài).</div><div>B. <strong>Một số ví dụ</strong></div><div><strong>Ví dụ 1.</strong> Cho tam giác ABC vuông tại A, đường cao AH, . Tính giá trị của a để BH = 3CH.</div><div><strong>Giải</strong></div><div>Đặt AH = h.</div><div>Xét DABH vuông tại H ta có:</div><div>BH = AH.cot B = h.cot a.</div><div>Xét DACH vuông tại H ta có:</div><div>CH = AH.cot C = AH.tan B = h.tan a.</div><div><br></div><div>Nhận xét: Trong bài giải ta đã biểu diễn BH và CH theo AH và theo một tỉ số lượng giác của góc a. Từ mối quan hệ giữa BH và CH ta tìm được giá trị của a.</div><div><strong>Ví dụ 2.</strong> Giải tam giác ABC biết&nbsp; và đường cao AH = 5,0cm.</div><div><strong>Giải</strong></div><div>Ta phải tìm, AB, AC và BC.</div><div><br></div><div>• Xét DABH vuông tại H ta có:</div><div><br></div><div><br></div><div>• Xét DACH vuông tại H ta có:</div><div><br></div><div><br></div><div>Do đó </div><div>Vậy </div><div>Lưu ý: Sau khi tính được AB và AC, có thể tính BH và CH theo AB và AC:</div><div>Tuy nhiên, ta nên tính BH và CH theo các số đo đã cho trong đề bài để kết quả được chính xác hơn.</div><div>&nbsp;<strong>Ví dụ 3.</strong> Cho tam giác ABC, cạnh BC cố định. Biết BC = 4cm, AB + AC = 8cm. Tính giá trị lớn nhất của góc A.</div><div><strong>Giải</strong></div><div>Vẽ đường phân giác AD. Vẽ BH ^ AD và CK ^ AD.</div><div>Xét DABH vuông tại H, DACK vuông tại K, ta có:</div><div>Vậy </div><div>Mặt khác ,</div><div><br></div><div>nên </div><div>Do đó </div><div>vậy&nbsp; khi D, H, K trùng nhau Û DABC đểu.</div><div>Nhận xét: Nhờ có việc vẽ đường phân giác AD và các đường thẳng BH, CK cùng vuông góc với AD mà ta tìm được sự liên hệ giữa AB, AC với BH, CK; sự liên hệ giữa BH, CK với BC. Do đó giữa AB, AC và BC có sự liên hệ với nhau, từ đó tìm được số đo của góc A.</div><div><strong>Ví dụ 4.</strong> Chứng minh định lí côsin: Trong một tam giác nhọn, bình phương của một cạnh bằng tổng các bình phương của hai cạnh kia trừ đi hai lần tích của hai cạnh ấy với côsin của góc xen giữa của chúng.</div><div><strong>Giải</strong></div><div>Vẽ đường cao BH. Xét DHBC vuông tại H ta có:</div><div><br></div><div>Xét DABH vuông tại H ta có : AH = AB. cosA</div><div>Thay vào (1) ta được</div><div>Nhận xét: Trong một tam giác nhọn, nếu biết hai cạnh và góc xen giữa thì nhờ định lí côsin ta có thế tính được cạnh thứ ba.</div><div>C. <strong>Bài tập vận dụng</strong></div><div>• Vận dụng hệ thức về cạnh và góc trong tam giác vuông để chứng minh hoặc tính toán</div><div><strong>3.1. </strong>Cho tam giác nhọn ABC. Vẽ các đường cao AD, BE, CF. Chứng minh rằng:&nbsp;</div><div>a) AD.BE.CF = AB.BC.CA.sin A.sin B.sin C;</div><div>b) AE.BF.CD = AB.BC.CA.cos A.cos B.cos C.</div><div><strong>Giải</strong></div><div>a) DACD vuông tại D, có AD = ACsin C.</div><div>DABE vuông tại E, có BE = ABsin A.</div><div>DBCF vuông tại F, có CF = BCsin B.</div><div>Suy ra AD.BE.CF = AB.BC.CA.sin A.sin B.sin C.</div><div>b) DABE vuông tại E, có AE = ABcos A.</div><div>DBCF vuông tại F, có BF = BCcos B.</div><div>DACD vuông tại D, có CD = ACcos C.</div><div>Suy ra AE.BF.CD = AB.BC.CA.cos A.cos B.cos C.<br><strong>3.2.</strong> Cho tam giác nhọn ABC. Vẽ các đường cao AA', BB', CC’. Chứng minh rằng:&nbsp;</div><div><strong>Giải</strong></div><div>DABB' vuông tại B', có AB' = ABcos A.</div><div>DBCC’ vuông tại C', có BC' = BCcos B.</div><div>DCAA' vuông tại A', có CA' = ACcos C.</div><div>Suy ra AB'.BC'.CA' = AB.BC.CA.cos A.cos B.cos C.</div><div>Chứng minh tương tự ta được:</div><div>A'B.B'C.C'A = AB.BC.CA.cos A.cos B.cos C.</div><div>Do đó AB’.BC’.CA' = A'B.B'C.C'A&nbsp;</div><div>= AB.BC.CA.cos A.cos B.cos C.</div><div>Nhận xét: Vì ba đường cao tam giác cùng đi qua một điểm nên nếu đề bài chỉ yêu cầu chứng minh AB'.BC’.CA' = A'B.B'C.C’A thì theo định lí Xê-va ta có từ đó suy ra ngay đpcm.</div><div><strong>3.3.</strong> Cho đường thẳng xy và điểm A cố định cách xy là 2cm. Gọi M là một điểm di động trên xy. Vẽ tam giác ABM vuông tại M sao cho . Tính độ dài ngắn nhất của AB.</div><div><strong>Giải</strong></div><div>DABM vuông tại M, có </div><div>Do đó AB ngắn nhất Û AM ngắn nhất </div><div>Vậy&nbsp; khi </div><div><strong>3.4.</strong> Cho tam giác ABC, cạnh BC cố định và. Điểm A di động sao cho AB + AC = 6cm. Tính giá trị lớn nhất của góc A.</div><div><strong>Giải</strong></div><div><br></div><div>Vẽ đường phân giác AD. Vẽ BH ^ AD,</div><div>CK ^ AD. Ta có </div><div>Suy ra </div><div>DABH vuông tại H, có: </div><div>DACK vuông tại K, có: </div><div>Do đó mà&nbsp; nên </div><div>Do đó&nbsp; . Suy ra </div><div>Vậy&nbsp; khi&nbsp; Û DABC vuông cân tại A.</div><div><strong>3.5.</strong> Cho tam giác ABC, AB = 14cm, AC = 11cm và . Tính độ dài BC.</div><div><strong>Giải</strong></div><div>* Tìm cách giải</div><div>Vẽ đường cao AH để vận dụng các hệ thức về cạnh và góc trong tam giác vuông. Tính HB và HC từ đó tính được BC.</div><div>* Trình bày lời giải</div><div>Vẽ đường cao AH. Xét DABH vuông tại H có:</div><div><br></div><div>Xét DAHC vuông tại H có:</div><div><br></div><div>• Nếu H nằm giữa B và C thì</div><div>• Nếu C’ nằm giữa B và H thì</div><div><strong>3.6.</strong> Cho tam giác ABC, AB = 3,2cm; AC = 5,0cm và . Tính độ dài BC.</div><div><strong>Giải</strong></div><div>Vẽ đường cao AH. Xét DABH vuông tại H có:</div><div><br></div><div>Xét DAHC vuông tại H có:</div><div> &nbsp;</div><div>Điểm C không thể nằm giữa H và B vì trên tia HB có HC &gt; HB.&nbsp;</div><div>Chỉ còn trường hợp điểm H nằm giữa B và C.</div><div>Ta có </div><div><strong>3.7.</strong> Cho tam giác ABC cân tại A, góc ở đáy bằng a &lt; 90°. Vẽ các đường cao AH và BK. Biết BK = h, tính AH.</div><div><strong>Giải</strong></div><div>Xét DKBC vuông tại K, có: </div><div>Vì DABC cân tại A nên </div><div>Xét DAHC vuông tại H có: </div><div><strong>3.8.</strong> Cho tam giác ABC, </div><div>a) Tính số đo của góc tạo thành bởi đường cao AH và đường trung tuyến AM (làm tròn đến độ);</div><div>b) Cho biết BC = 45cm, tính độ dài AH (làm tròn đến centimet).</div><div><strong>Giải</strong></div><div>Đặt </div><div>a) Xét DABH và DAHC vuông tại H ta có: </div><div>Ta có </div><div>Do đó </div><div>Suy ra </div><div>Hay </div><div><br></div><div>b) Ta có BH + CH = BC hay </div><div>Suy ra </div><div><strong>3.9.</strong> Tam giác ABC là tam giác nhọn hay tam giác tù nếu có:</div><div>a) , AB = 2,4cm, AC = 6,2cm;</div><div>b) , AB = 3,5cm, AC = 4,5cm.</div><div><strong>Giải</strong></div><div>a) Vẽ CH ^ AB. Xét DACH vuông tại H, ta có:</div><div><br></div><div>Trên tia AB có AB &lt; AH nên điểm B nằm giữa A và H.</div><div>Suy ra</div><div>Vậy DABC là tam giác tù.</div><div>b) Vẽ CH ^ AB, BK ^ AC. Xét DACH vuông tại H, ta có:</div><div><br></div><div>Xét DABK vuông tại K, ta có:</div><div><br></div><div>• Trên tia AB có AH &lt; AB nên điểm H nằm giữa A và B.</div><div>Xét DHBC có nên nhọn.</div><div>• Trên tia AC có AK &lt; AC nên điểm K nằm giữa A và C.</div><div>Xét DKBC có&nbsp; nên nhọn.</div><div>Tam giác ABC có ba góc nhọn nên là tam giác nhọn.</div><div><strong>3.10.</strong> Cho tam giác ABC vuông tại A, , AB = c, AC = 4,5cm. Xác định giá trị của c để tam giác ABC là tam giác tù.</div><div><strong>Giải</strong></div><div>Vẽ CH ^ AB, BK ^ AC. DAHC vuông tại H, ta có:</div><div><br></div><div>DAKB vuông tại K, ta có:</div><div><br></div><div>DABC tù Û tù hoặc tù.</div><div>• Xét trường hợp&nbsp; tù.&nbsp;</div><div>Ta có và </div><div>• Xét trường hợp&nbsp; tù.</div><div>Ta có : </div><div>Tóm lại, DABC tù khi&nbsp; hoặc </div>]]></description>
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         <pubDate>2021-11-19 07:33:12 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1902449228</link>
         <description><![CDATA[<div>Nếu hai góc phụ nhau thì sin góc này bằng cosin góc kia, tang góc này bằng cotang góc kia.<br><br></div><div><br></div><div><br></div>]]></description>
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         <pubDate>2021-11-19 16:17:40 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1902449228</guid>
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      <item>
         <title>Hiền 9A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/1902453937</link>
         <description><![CDATA[<div>Nếu hai góc phụ nhau thì sin góc này bằng cosin góc kia, tang góc này bằng cotang góc kia.<br>Trong một tam giác vuông, mỗi cạnh góc vuông bằng:<br><br></div><div>– Cạnh huyền nhân với sin góc đối hoặc nhân với cos góc kề<br><br></div><div>– Cạnh góc vuông kia nhân với tan góc đối hoặc cot góc kề<br><br></div><div>b = a.sinB = a.cosC<br><br></div><div>c = a.sinC = a.cosB<br><br></div><div>b = c.tanB = c.cotC<br><br></div><div>c = b.tanB = b.cotC<br><br></div><div><br></div><div><br></div>]]></description>
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         <pubDate>2021-11-19 16:19:44 UTC</pubDate>
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         <author>baongoc8384</author>
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         <pubDate>2022-03-07 09:19:30 UTC</pubDate>
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         <author>baongoc8384</author>
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         <pubDate>2022-03-07 09:33:50 UTC</pubDate>
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         <title>4.PHẠM KHÁNH LINH 8A</title>
         <author></author>
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         <pubDate>2022-03-11 07:59:17 UTC</pubDate>
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         <pubDate>2022-03-11 07:59:48 UTC</pubDate>
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         <title>2.BÙI MAI ANH 8B</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-11 08:03:32 UTC</pubDate>
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         <author>baongoc8384</author>
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         <title>1. TRỊNH NGỌC LÂM8B</title>
         <author>baongoc8384</author>
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         <author>baongoc8384</author>
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         <title>3.TRẦN BÙI NHẬT AN-8A</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-11 08:08:53 UTC</pubDate>
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         <author>baongoc8384</author>
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         <title>NGUYỄN KIM KHÁNH 8A</title>
         <author>baongoc8384</author>
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         <title>2. NGUYỄN KIM KHÁNH8A</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-11 08:26:15 UTC</pubDate>
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         <title>1.NGUYỄN TRẦN MAI ANH 8A</title>
         <author></author>
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         <pubDate>2022-03-11 08:28:24 UTC</pubDate>
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         <title>1.Cổ Thiện Lạc-Lớp 8C</title>
         <author>cothienlac208</author>
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         <pubDate>2022-03-11 08:31:10 UTC</pubDate>
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      <item>
         <title>Cổ Thiện Lạc-Lớp 8C</title>
         <author>cothienlac208</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090062842</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614969640/d128f7b641b99ad643bf5a2627ef93d2/1646987478096_167839983.jpg" />
         <pubDate>2022-03-11 08:32:00 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090062842</guid>
      </item>
      <item>
         <title></title>
         <author>hoanganhdeptry08</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090063752</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623613283/7ff684948defc1dca239548f925e2d26/IMG_UPLOAD_20220311_153032.jpg" />
         <pubDate>2022-03-11 08:32:49 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090063752</guid>
      </item>
      <item>
         <title>3.TRẦN VŨ HOÀNG ANH 8B</title>
         <author>hoanganhdeptry08</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090064638</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623613283/85f699f335c4cdf61339cc92e318029e/IMG_UPLOAD_20220311_153325.jpg" />
         <pubDate>2022-03-11 08:33:42 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090064638</guid>
      </item>
      <item>
         <title>5.ĐOÀN HẠNH HUYỀN CHÂU 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090064829</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623689223/d6947358d9ca018bde3e3bff5b04db7f/inbound8587760159374545810.jpg" />
         <pubDate>2022-03-11 08:33:51 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090064829</guid>
      </item>
      <item>
         <title>2.Nguyễn Hà Minh Thư -lớp 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090067295</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623654674/3294229479838e372a5dfdbfce8c2d2d/IMG_UPLOAD_20220311_153442.jpg" />
         <pubDate>2022-03-11 08:36:04 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090067295</guid>
      </item>
      <item>
         <title>Nguyễn Hà Minh Thư - lớp 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090068700</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623654674/97553d76a578412a4c6b9f4a49d51bba/IMG_UPLOAD_20220311_153627.jpg" />
         <pubDate>2022-03-11 08:36:59 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090068700</guid>
      </item>
      <item>
         <title>3. TĂNG BÁ G HUY</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090074742</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/c2f1ab3468249b4c39d8c2cd350b7346/huy.jpg" />
         <pubDate>2022-03-11 08:42:02 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090074742</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090078674</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623702323/823be6f3877614fdde4788ff9cfb1e46/621D4550_6F57_4D7C_BF9E_38A9CDC28DAE.jpeg" />
         <pubDate>2022-03-11 08:45:28 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090078674</guid>
      </item>
      <item>
         <title>6.NGUYỄN DIỆU LINH 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090079883</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623702323/13c5265c0f20d5b47ee5ca335394faf5/90CAE6A3_52AC_4B25_B1D9_0ED56397EEC7.jpeg" />
         <pubDate>2022-03-11 08:46:35 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090079883</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090086736</link>
         <description><![CDATA[<div>Trần&nbsp;Lâm</div>]]></description>
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         <pubDate>2022-03-11 08:52:38 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090086736</guid>
      </item>
      <item>
         <title>4.TRẦN LÂM 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090087320</link>
         <description><![CDATA[<div>Trần&nbsp;Lâm </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623697729/8830bfbc32a69c59a3cbc67328743d66/IMG_20220311_153504.jpg" />
         <pubDate>2022-03-11 08:53:05 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090087320</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090088233</link>
         <description><![CDATA[<div>Trần&nbsp;Lâm</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623697729/c1143ffb9bc10c389dcb22af37810979/IMG_20220311_153519.jpg" />
         <pubDate>2022-03-11 08:53:54 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090088233</guid>
      </item>
      <item>
         <title>7.PHẠM BÙI NGỌC NHI 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090093382</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1478822100/82e0a15db7dabb2a3ebe73eca636396f/20220311_155708.jpg" />
         <pubDate>2022-03-11 08:58:05 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090093382</guid>
      </item>
      <item>
         <title>8.LÊ QUỲNH MAI 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090093724</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/e92af933b1403af555841195db625124/maia.jpg" />
         <pubDate>2022-03-11 08:58:23 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090093724</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090094460</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1478822100/60c7d1e46c768e3f5abbbadb2d097a55/20220311_155423.jpg" />
         <pubDate>2022-03-11 08:59:03 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090094460</guid>
      </item>
      <item>
         <title>9.NGUYỄN HÀ ANH</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090095259</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623701667/cf0c9d093089158898b4149630a369a8/20220311_155854.jpg" />
         <pubDate>2022-03-11 08:59:50 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090095259</guid>
      </item>
      <item>
         <title>4. MAI THANH UYÊN</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090095700</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1602836915/585420073382a382fd2fe39656beadf7/70118330_599A_4FFA_A357_D8F74BEB9F7A.jpeg" />
         <pubDate>2022-03-11 09:00:13 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090095700</guid>
      </item>
      <item>
         <title>5.CÙ TUẤN LINH 8B</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090096521</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/4770811661f8a32b8c1d24fd66e03902/lin2.jpg" />
         <pubDate>2022-03-11 09:01:02 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090096521</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090097332</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1602836915/8554bab4e8a1edad998165bf94707a5b/F2662CA5_5455_467A_A2E5_6E6A60252B9D.jpeg" />
         <pubDate>2022-03-11 09:01:45 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090097332</guid>
      </item>
      <item>
         <title>10.NGUYỄN TUYỂN TRÍ DŨNG 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090098102</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/473a9b5ceaf107d4138ecaff0bdfdc90/dung.jpg" />
         <pubDate>2022-03-11 09:02:30 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090098102</guid>
      </item>
      <item>
         <title>11.ĐỖ ĐẠI PHÚC 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100033</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/dd3043bf1fa82d334ab1cecdae3930fc/p1.jpg" />
         <pubDate>2022-03-11 09:04:15 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100033</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100293</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/469e8d013bbd099d8708bba7b998c6c1/p2.jpg" />
         <pubDate>2022-03-11 09:04:29 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100293</guid>
      </item>
      <item>
         <title>12NGUYỄN TUYỂN TRÍ DŨNG 8A</title>
         <author>zhero128000</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100949</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614977352/dc1c3bf0db0b6275cf53c602791d37f9/z3250799220915_7cd1703d4c50eab95dd8bf762e0fe5d8.jpg" />
         <pubDate>2022-03-11 09:05:06 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090100949</guid>
      </item>
      <item>
         <title>5.LÊ HẢI THANH 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090101135</link>
         <description><![CDATA[<div>Nguyễn&nbsp;Lê Hải Thanh lớp 8C</div>]]></description>
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         <pubDate>2022-03-11 09:05:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090101135</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090101975</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/4681c9a7247a658543422fdf9743d593/ngan.jpg" />
         <pubDate>2022-03-11 09:06:08 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090101975</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090102319</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/570563d2630bff7c75ef3b222f8b26e3/n2.jpg" />
         <pubDate>2022-03-11 09:06:28 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090102319</guid>
      </item>
      <item>
         <title>6.nguyễn khánh ly 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090103224</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623726508/e66c2e070796a4772bf4329b0d84df19/326E749C_7540_491B_9691_17D2533BD52F.jpeg" />
         <pubDate>2022-03-11 09:07:15 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090103224</guid>
      </item>
      <item>
         <title>6.Nguyễn Khánh Ly8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090103972</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623726508/55811c99f88782e3ec47fd0bf499bdab/F556F7FE_09AB_4B35_A7BD_AF32965274B2.jpeg" />
         <pubDate>2022-03-11 09:07:57 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090103972</guid>
      </item>
      <item>
         <title>6.LÊ ĐỨC ANH8B</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090105364</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/7588dc7b93190b52c32bc1da646bf104/d_anh1.jpg" />
         <pubDate>2022-03-11 09:09:06 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090105364</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090113971</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623742515/913b6dbac2a636d927506a4cf2492118/image.jpg" />
         <pubDate>2022-03-11 09:16:37 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090113971</guid>
      </item>
      <item>
         <title>13.TRẦN TRÚC QUỲNH CHI 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090114735</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623742515/04a3feb9ade5a095809f438e1069ba86/image.jpg" />
         <pubDate>2022-03-11 09:17:07 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090114735</guid>
      </item>
      <item>
         <title>7.Nguyễn thảo chi 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090123457</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623752119/84231811dfde0738520b4027d2da2b4b/IMG_UPLOAD_20220311_161321.jpg" />
         <pubDate>2022-03-11 09:24:04 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090123457</guid>
      </item>
      <item>
         <title>14.BÙI THU HẰNG 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090127339</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614958559/67ebdf0f765115967fda316c0cfead63/IMG20220311162050.jpg" />
         <pubDate>2022-03-11 09:27:11 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090127339</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090127971</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614958559/508da97ab50a9ee58b1099517b90bfc6/IMG_UPLOAD_20220311_162906.jpg" />
         <pubDate>2022-03-11 09:27:38 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090127971</guid>
      </item>
      <item>
         <title>15.NGUYỄN QUANG DŨNG-8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090137700</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623765075/f3b945cd6be6ae1b7c0c3744dfbebab0/IMG_UPLOAD_20220311_163322__1_.jpg" />
         <pubDate>2022-03-11 09:35:46 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090137700</guid>
      </item>
      <item>
         <title>8. TRANG8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090139741</link>
         <description><![CDATA[<div>Bùi Thị Thùy Trang-8b</div>]]></description>
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         <pubDate>2022-03-11 09:37:32 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090139741</guid>
      </item>
      <item>
         <title>9.Ly kieu chi 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090140565</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623624645/092043d5244a71c9ad32d6eccb943398/IMG_20220311_163320_130.webp" />
         <pubDate>2022-03-11 09:38:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090140565</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141097</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623690666/1ca3649c79822987f0ac28422c12cc14/IMG20220311163518.jpg" />
         <pubDate>2022-03-11 09:38:35 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141097</guid>
      </item>
      <item>
         <title> Ly kieu chi-8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141375</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-11 09:38:47 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141375</guid>
      </item>
      <item>
         <title>8.BÙI THỊ THÙY TRANG 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141849</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623690666/61cbaf5c35cb520e3a58743e361322f1/IMG20220311163531.jpg" />
         <pubDate>2022-03-11 09:39:11 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090141849</guid>
      </item>
      <item>
         <title></title>
         <author>ngaannie197</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090143174</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614976286/737fadd5abe526fd51788796d2c46519/IMG20220311160315.jpg" />
         <pubDate>2022-03-11 09:40:13 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090143174</guid>
      </item>
      <item>
         <title></title>
         <author>ngaannie197</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090143976</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614976286/42f468e696eb4d24438f82134d048791/IMG20220311160320.jpg" />
         <pubDate>2022-03-11 09:40:49 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090143976</guid>
      </item>
      <item>
         <title>16.BÙI HƯƠNG GIANG 8A</title>
         <author>hgianggg0408</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090144370</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1602004697/271bae05dc0f52f007a4f85a2d0ed696/z3250892422222_de0cb25fcb99697cdfb0bb6c37d82267.jpg" />
         <pubDate>2022-03-11 09:41:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090144370</guid>
      </item>
      <item>
         <title>BÙI HƯƠNG GIANG 8A</title>
         <author>hgianggg0408</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090144929</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-11 09:41:37 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090144929</guid>
      </item>
      <item>
         <title>7.Bùi Mai Chinh 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090152085</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614153530/94c9c9a8ed238ca540ae39d0e607323c/20220311_164346.jpg" />
         <pubDate>2022-03-11 09:46:58 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090152085</guid>
      </item>
      <item>
         <title>10.Trần khánh chi8b</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090153866</link>
         <description><![CDATA[<div>Trần Khánh Chi</div>]]></description>
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         <pubDate>2022-03-11 09:48:23 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090153866</guid>
      </item>
      <item>
         <title>11.NGUYỄN KHÁNH LYB-8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090154100</link>
         <description><![CDATA[<div>Nguyễn Khánh Ly </div>]]></description>
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         <pubDate>2022-03-11 09:48:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090154100</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090154738</link>
         <description><![CDATA[<div>Nguyễn Khánh Ly </div>]]></description>
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         <pubDate>2022-03-11 09:49:04 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090154738</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090155366</link>
         <description><![CDATA[<div>Trần Khánh Chi</div>]]></description>
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         <pubDate>2022-03-11 09:49:35 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090155366</guid>
      </item>
      <item>
         <title>12.Phạm Minh Hiếu 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090155680</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623765284/d9cee111b2773bd07a41255323b38514/image.jpg" />
         <pubDate>2022-03-11 09:49:48 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090155680</guid>
      </item>
      <item>
         <title>8.LÊ BÙI TUẤN ANH-8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090159965</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623666482/cdc9d5078508eb18b164f043245c67f9/98070382_5FCF_4485_A8FD_80823E27A226.jpeg" />
         <pubDate>2022-03-11 09:53:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090159965</guid>
      </item>
      <item>
         <title>13.Quản Duy Anh-8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090162365</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623635617/42472e34067c310f31bb7c818ff2241a/image.png" />
         <pubDate>2022-03-11 09:55:12 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090162365</guid>
      </item>
      <item>
         <title>14.Hoàng Anh Dũng 8B</title>
         <author>angelopangan221</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090162503</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623770917/46971ff0edf715ed69faab780cba7bd7/FILE_20220311_165325_CamScanner_03_11_2022_16_52.pdf" />
         <pubDate>2022-03-11 09:55:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090162503</guid>
      </item>
      <item>
         <title>15.NGÔ ĐỨC LINH 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090175130</link>
         <description><![CDATA[<div>Ngô Đức Linh </div>]]></description>
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         <pubDate>2022-03-11 10:06:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090175130</guid>
      </item>
      <item>
         <title>NGÔ ĐỨC LINH 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090176060</link>
         <description><![CDATA[<div>Ngô Đức Linh </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623781675/521c897339d4f6528ba2ed6836262130/image.jpg" />
         <pubDate>2022-03-11 10:07:02 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090176060</guid>
      </item>
      <item>
         <title>17.Nguyễn Kiều Linh-8A</title>
         <author>kieulinhyb3508</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090180276</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623774650/e4e7234becd8f4e41a5a63fde082fe84/0D2162F3_32F5_4478_871E_02C24FCF1232.jpeg" />
         <pubDate>2022-03-11 10:10:27 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090180276</guid>
      </item>
      <item>
         <title>Nguyễn Kiều Linh 8A</title>
         <author>kieulinhyb3508</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090180868</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623774650/1067363b79217d184db0e7b700524396/2DC388A5_6EB4_4403_AA9C_E694F896D4EC.jpeg" />
         <pubDate>2022-03-11 10:10:48 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090180868</guid>
      </item>
      <item>
         <title>Nguyễn Kiều Linh 8A</title>
         <author>kieulinhyb3508</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090181242</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623774650/49e71512336d46f4028a50d824c6971f/79D09129_DE84_4187_BD3B_98C3E85FBE04.jpeg" />
         <pubDate>2022-03-11 10:11:07 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090181242</guid>
      </item>
      <item>
         <title>9.Lê Vũ Châu Anh 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090196302</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623726508/a8a73c04090efeee51dace480b5d808a/69D0069E_2044_4658_AA6B_960484CA16A3.jpeg" />
         <pubDate>2022-03-11 10:23:21 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090196302</guid>
      </item>
      <item>
         <title>16.NGUYỄN QUỲNH CHI</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090199006</link>
         <description><![CDATA[<div>Nguyễn quỳnh chi </div>]]></description>
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         <pubDate>2022-03-11 10:25:24 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090199006</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090199925</link>
         <description><![CDATA[<div>Nguyễn quỳnh chi </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623752321/2a2c397eec573e9c87cb3fc77452636f/image.jpg" />
         <pubDate>2022-03-11 10:26:08 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090199925</guid>
      </item>
      <item>
         <title>17.LIỄU DŨNG </title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090203147</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623788762/9c5e506c8ea494c058ed650a446446df/20220311_170312.jpg" />
         <pubDate>2022-03-11 10:28:34 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090203147</guid>
      </item>
      <item>
         <title>LIỄU ANH DŨNG 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090204322</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623788762/dc6f17c01daff9673337d65430064980/20220311_170340.jpg" />
         <pubDate>2022-03-11 10:29:33 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090204322</guid>
      </item>
      <item>
         <title>10.Nguyễn Diệu Linh8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090236318</link>
         <description><![CDATA[<div>Nguyễn Diệu Linh&nbsp;8C </div>]]></description>
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         <pubDate>2022-03-11 10:56:55 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090236318</guid>
      </item>
      <item>
         <title>11.Trần Thanh Hiền _8c🐟</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090251687</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623614297/1a047b52c2cc84312c90985954f8356b/IMG_UPLOAD_20220311_180854.jpg" />
         <pubDate>2022-03-11 11:10:33 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090251687</guid>
      </item>
      <item>
         <title>18.Nguyễn Xuân Yên 8b</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090252501</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/9e95a79dcc1410757b288b95cc7b52d4/IMG_20220311_180923.jpg" />
         <pubDate>2022-03-11 11:11:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090252501</guid>
      </item>
      <item>
         <title>Nguyễn Xuân Yên 8b</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090253904</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/d593a6dd303de5b8592200a060d5b0e5/IMG_20220311_180927.jpg" />
         <pubDate>2022-03-11 11:12:30 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090253904</guid>
      </item>
      <item>
         <title>18.Trần Kiều Trinh-8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090260724</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614973868/29169986d5e6076a56fed4105e593fe3/IMG_20220311_180313.jpg" />
         <pubDate>2022-03-11 11:18:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090260724</guid>
      </item>
      <item>
         <title>Trần Kiều Trinh-8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090261577</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614973868/b77139d79c0547a9f151a1004c1f88fe/IMG_20220311_180224.jpg" />
         <pubDate>2022-03-11 11:19:19 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090261577</guid>
      </item>
      <item>
         <title>12.TRANG 8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090266713</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/7d1fd59ee2dd87ad8356325615446766/IMG_20220311_182306.jpg" />
         <pubDate>2022-03-11 11:24:01 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090266713</guid>
      </item>
      <item>
         <title>12.VŨ THÙY TRANG8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090267135</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/6c9910ff4b23862f12709acd17b38a87/IMG_20220311_182309.jpg" />
         <pubDate>2022-03-11 11:24:25 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090267135</guid>
      </item>
      <item>
         <title>MA PHƯƠNG ANH8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090272203</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/2040326b840e386929dcdf26bc9d8ead/IMG_20220311_182740.jpg" />
         <pubDate>2022-03-11 11:29:03 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090272203</guid>
      </item>
      <item>
         <title>13.Ma phương anh 8c</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090272597</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/4456969cfc3cb6cf11d70526dbd0b849/IMG_20220311_182737.jpg" />
         <pubDate>2022-03-11 11:29:22 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090272597</guid>
      </item>
      <item>
         <title>19.Dương Hiếu =))</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090273417</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-11 11:30:00 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090273417</guid>
      </item>
      <item>
         <title>Dương Hiếu 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090274026</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1602837250/f69136d667192d58c8feb1fed342223f/IMG20220311182710.jpg" />
         <pubDate>2022-03-11 11:30:34 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090274026</guid>
      </item>
      <item>
         <title>20.Trịnh Yến Nhi</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090278065</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623856813/4da1847da6efc7210731a104a95cf7ec/IMG20220311183301.jpg" />
         <pubDate>2022-03-11 11:34:07 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090278065</guid>
      </item>
      <item>
         <title>Trịnh Yến Nhi8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090278642</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623856813/f390744bb58eb3f07a4876aacb1139cc/IMG20220311183256.jpg" />
         <pubDate>2022-03-11 11:34:34 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090278642</guid>
      </item>
      <item>
         <title>14La sơn 8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090280979</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/f48215155763a4d4d8fc142605e92bd3/IMG_20220311_183545.jpg" />
         <pubDate>2022-03-11 11:36:40 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090280979</guid>
      </item>
      <item>
         <title>La sơn 8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090281454</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/e603e6da61ae71b46a05f52ba53c1fc0/IMG_20220311_183542.jpg" />
         <pubDate>2022-03-11 11:37:07 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090281454</guid>
      </item>
      <item>
         <title>Tăng BÁ GIA HUY 8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090286193</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/a8d44782f5cf592c3ca47f7624401571/IMG_20220311_183845.jpg" />
         <pubDate>2022-03-11 11:41:16 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090286193</guid>
      </item>
      <item>
         <title>Nguyễn Thúy Hằng</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090288819</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623908901/56b9ae30adee948dbeb0ae4ee03736af/received_744166029883896.jpeg" />
         <pubDate>2022-03-11 11:43:27 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090288819</guid>
      </item>
      <item>
         <title>Nguyễn Thuý Hằng8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090290319</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623908901/e9e1f50c25d4057fd289ba5635064f99/received_332820888895904.jpeg" />
         <pubDate>2022-03-11 11:44:47 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090290319</guid>
      </item>
      <item>
         <title>18.KIÊN8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090292620</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/a0a19496c45a983d4118e3e7485faa36/IMG_1646989144683_1646999112690.jpg" />
         <pubDate>2022-03-11 11:46:48 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090292620</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090296973</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623847633/1f2f5579d7abbd825cf559098cbbf97e/20220311_184152.jpg" />
         <pubDate>2022-03-11 11:50:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090296973</guid>
      </item>
      <item>
         <title>21.Trần Phương thúy 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090298500</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623847633/1444321cb5888528e0696ac3ce85129b/20220311_184053.jpg" />
         <pubDate>2022-03-11 11:51:21 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090298500</guid>
      </item>
      <item>
         <title>22.Nguyễn Diệu Huyền-8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090302202</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623922198/0547b14cd3052123cef029adee3fd0f2/e2e963cd46ed89b3d0fc.jpg" />
         <pubDate>2022-03-11 11:54:26 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090302202</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090307883</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614970076/2c68d2cff828d8ae108680c2d62298f0/9c3c27d878f8b7a6eee9.jpg" />
         <pubDate>2022-03-11 11:59:29 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090307883</guid>
      </item>
      <item>
         <title>23.Nguyễn Hương Trà 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090308429</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614970076/5372f502c727ed941a78351d8e887ce5/1ca9c1449e64513a0875.jpg" />
         <pubDate>2022-03-11 12:00:00 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090308429</guid>
      </item>
      <item>
         <title>24.Đinh ngọc anh </title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090312442</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623624645/3439a0807edbc3df66ad5ecc7684cb89/received_3257386107814888.jpeg" />
         <pubDate>2022-03-11 12:03:37 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090312442</guid>
      </item>
      <item>
         <title>Đinh ngọc anh 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090312977</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623624645/4933f55f584754fae3d310245a7c6722/received_259198292954103.jpeg" />
         <pubDate>2022-03-11 12:04:05 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090312977</guid>
      </item>
      <item>
         <title>15.Nguyễn Thiện Khánh Đan 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090348883</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1615047974/363889551f86eadc33b27c792dac4600/IMG20220311193323.jpg" />
         <pubDate>2022-03-11 12:35:32 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090348883</guid>
      </item>
      <item>
         <title>Nguyễn Thiện Khánh Đan 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090349739</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1615047974/0a36ca8e018b57c69f933eaf10b56b4a/IMG20220311192837.jpg" />
         <pubDate>2022-03-11 12:36:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090349739</guid>
      </item>
      <item>
         <title>25.ĐẶNG HUY HOÀNG 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090355466</link>
         <description><![CDATA[<div>Đặng Huy Hoàng 8B</div>]]></description>
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         <pubDate>2022-03-11 12:40:52 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090355466</guid>
      </item>
      <item>
         <title></title>
         <author>cn0822058</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090467037</link>
         <description><![CDATA[<div>Nguyễn Minh Chiến 8B</div>]]></description>
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         <pubDate>2022-03-11 13:50:55 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090467037</guid>
      </item>
      <item>
         <title>26. TRÂM 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090471261</link>
         <description><![CDATA[<div>Nguyễn&nbsp;Thùy Trâm 8b</div>]]></description>
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         <pubDate>2022-03-11 13:53:21 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090471261</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090472244</link>
         <description><![CDATA[<div>Nguyễn&nbsp;Thùy Trâm 8b</div>]]></description>
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         <pubDate>2022-03-11 13:53:53 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090472244</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090493327</link>
         <description><![CDATA[<div>Hoàng&nbsp;giang 8A</div>]]></description>
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         <pubDate>2022-03-11 14:05:14 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090493327</guid>
      </item>
      <item>
         <title>19.Hoàng Giang 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090494564</link>
         <description><![CDATA[<div>Hoàng&nbsp;giang 8A</div>]]></description>
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         <pubDate>2022-03-11 14:05:55 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090494564</guid>
      </item>
      <item>
         <title>20.Lê Minh Hòa- 8A</title>
         <author>freefireleminhhoa</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090504278</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623865183/7677208fa1e06c70c6437f53b4fe34c4/image.png" />
         <pubDate>2022-03-11 14:11:23 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090504278</guid>
      </item>
      <item>
         <title>Lê Minh Hòa -8A</title>
         <author>freefireleminhhoa</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090505732</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623865183/3a45212b36a2e0aa251eb790cb8c7b8d/image.png" />
         <pubDate>2022-03-11 14:12:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090505732</guid>
      </item>
      <item>
         <title>21.Bùi Chí Công-Lớp 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090510621</link>
         <description><![CDATA[<div>21.</div>]]></description>
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         <pubDate>2022-03-11 14:14:45 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090510621</guid>
      </item>
      <item>
         <title>26.Bùi Đức Độ 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090513770</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1624028306/ea8c336266daf646a544ba0769dd09b6/IMG20220311211555.jpg" />
         <pubDate>2022-03-11 14:16:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090513770</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090519075</link>
         <description><![CDATA[<div>Bùi&nbsp;Trà Giang 8A</div>]]></description>
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         <pubDate>2022-03-11 14:19:25 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090519075</guid>
      </item>
      <item>
         <title>22.Bùi Trà Giang 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090520579</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1624088223/564ba5dc32fd158e4f2e9f3470cf9319/IMG_UPLOAD_20220311_211312.jpg" />
         <pubDate>2022-03-11 14:20:12 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090520579</guid>
      </item>
      <item>
         <title>27.Lê Đưc Anh 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090588301</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623613155/26fa37af548de3fef2a329a79f9722da/1081D0C0_9CA9_4BCC_988D_EF9CA2304A29.jpeg" />
         <pubDate>2022-03-11 14:57:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2090588301</guid>
      </item>
      <item>
         <title>1. CHỦ ĐỀ NHIỆT NĂNG</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091226890</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-12 00:26:42 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091226890</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091227782</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/f11540607b6fedfcd27b9d617389d519/Ki_m_tra_15_ph_t.doc" />
         <pubDate>2022-03-12 00:28:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091227782</guid>
      </item>
      <item>
         <title>24. LÂM8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091241474</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/3df040ed33f16b8542b3061c1fcfb5bf/IMG_20220312_075112.jpg" />
         <pubDate>2022-03-12 00:53:09 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091241474</guid>
      </item>
      <item>
         <title>25.HƯƠNG 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091241820</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/2eaea72120c7c23b3405e350cfdf69ed/IMG_20220312_075139.jpg" />
         <pubDate>2022-03-12 00:53:53 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091241820</guid>
      </item>
      <item>
         <title>26. LAN NGỌC 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091242296</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1354632311/145bb8a9008129bd256b4d3e1f0fa6fd/IMG_20220312_075156.jpg" />
         <pubDate>2022-03-12 00:54:50 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091242296</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091243161</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 00:56:35 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091243161</guid>
      </item>
      <item>
         <title>27. TÂM 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091243376</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 00:56:59 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091243376</guid>
      </item>
      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091245033</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 01:00:06 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091245033</guid>
      </item>
      <item>
         <title>28. NGÂN 8A</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091245566</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 01:00:56 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091245566</guid>
      </item>
      <item>
         <title>16.Nguyễn Biên thùy 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091312743</link>
         <description><![CDATA[<div>Nguyễn&nbsp;biên thùy 8c</div>]]></description>
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         <pubDate>2022-03-12 02:52:21 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091312743</guid>
      </item>
      <item>
         <title>Nguyễn Biên Thùy lớp 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091334136</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1615588117/30f3082520bf1810e38308c5c6ed927f/IMG_20220312_101917.jpg" />
         <pubDate>2022-03-12 03:28:34 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091334136</guid>
      </item>
      <item>
         <title>17.nguyễn ngọc bảo nhi8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091347417</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 03:53:07 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091347417</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091347596</link>
         <description><![CDATA[<div>nguyễn ngọc bảo nhi8c</div>]]></description>
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         <pubDate>2022-03-12 03:53:31 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091347596</guid>
      </item>
      <item>
         <title>19.phạm minh chiến 8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091365833</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 04:32:18 UTC</pubDate>
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      <item>
         <title>1.Thùy8C</title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091366339</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 04:33:27 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091366339</guid>
      </item>
      <item>
         <title>1.Nguyễn Hương Trà 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091367872</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 04:37:05 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091367872</guid>
      </item>
      <item>
         <title>2.chiến 8b</title>
         <author>cn0822058</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091390534</link>
         <description><![CDATA[<div>12 Nguyễn Minh Chiến 8B môn vật lý<br><br></div>]]></description>
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         <pubDate>2022-03-12 05:31:45 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091390534</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091396132</link>
         <description><![CDATA[<div>Phạm&nbsp;Minh Chiến 8C</div>]]></description>
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         <pubDate>2022-03-12 05:46:17 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091396132</guid>
      </item>
      <item>
         <title>Phạm Minh Chiến 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091396379</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 05:47:06 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091396379</guid>
      </item>
      <item>
         <title>Nguyễn Hà Minh Thư 8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091401910</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 06:03:24 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091401910</guid>
      </item>
      <item>
         <title>Cổ Thiện Lạc-Lớp 8C</title>
         <author>cothienlac208</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091429017</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614969640/ffd1481ea257d443b99e970d7bbd84a8/1647069032994494009584.jpg" />
         <pubDate>2022-03-12 07:11:33 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091429017</guid>
      </item>
      <item>
         <title>Cổ Thiện Lạc-Lớp 8C</title>
         <author>cothienlac208</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091429484</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1614969640/56b325835908b10e6495a0033ac4809c/1647069110607_1622479186.jpg" />
         <pubDate>2022-03-12 07:12:49 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091429484</guid>
      </item>
      <item>
         <title>29Nguyễn Ngọc Linh 8A</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091444804</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1624736438/a1fe0a3e76f1374296716dfc12c6f95e/IMG_20220312_144223.jpg" />
         <pubDate>2022-03-12 07:44:54 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091444804</guid>
      </item>
      <item>
         <title>Bùi Mai Anh 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091461940</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1624752732/b7a2943521d20508b136549f8502e1e4/IMG_20220312_152051.jpg" />
         <pubDate>2022-03-12 08:22:26 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091461940</guid>
      </item>
      <item>
         <title>Hoàng Anh Dũng 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091465675</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623776388/6b20a30e8ca718f32766b764b23582fb/b_i_v_t_l__1_.jpg" />
         <pubDate>2022-03-12 08:30:05 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091465675</guid>
      </item>
      <item>
         <title>Trần Vũ Hoàng Anh 8B</title>
         <author>hoanganhdeptry08</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091488310</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1623613283/65446f9ac448c5e4dc276cfa618154c8/IMG_UPLOAD_20220312_161456.jpg" />
         <pubDate>2022-03-12 09:15:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091488310</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091496112</link>
         <description><![CDATA[<div>Nguyễn Lê Hải Thanh&nbsp;8C</div>]]></description>
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         <pubDate>2022-03-12 09:29:10 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091496112</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091496889</link>
         <description><![CDATA[<div>Nguyễn&nbsp;Lê Hải Thanh 8C</div>]]></description>
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         <pubDate>2022-03-12 09:30:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091496889</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091497198</link>
         <description><![CDATA[<div>Đặng Huy Hoàng 8B</div>]]></description>
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         <pubDate>2022-03-12 09:31:08 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091497198</guid>
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      <item>
         <title>29 Phạm Hoàng Linh - 8A</title>
         <author>linhoangpham2008</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091501236</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 09:38:22 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091501236</guid>
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      <item>
         <title>30 Phạm Hoàng Linh-8A</title>
         <author>linhoangpham2008</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091502151</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 09:39:52 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091502151</guid>
      </item>
      <item>
         <title>Nguyễn Thúy Hằng</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091524044</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 10:21:52 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091524044</guid>
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      <item>
         <title>09- Trần Thanh Hiền 🐟</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091531028</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 10:35:19 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091531028</guid>
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      <item>
         <title>Bùi Đức Độ 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091539687</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 10:52:39 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091539687</guid>
      </item>
      <item>
         <title>Ly Kieu Chi </title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091569459</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 11:52:36 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091569459</guid>
      </item>
      <item>
         <title>Nguyễn Thảo Chi 8B</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091590764</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 12:34:39 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091590764</guid>
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      <item>
         <title>nguyễn ngọc bảo nhi8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091592656</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-12 12:38:27 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091592656</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2091663499</link>
         <description><![CDATA[<div>Nguyễn&nbsp;Diệu Huyền</div>]]></description>
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         <pubDate>2022-03-12 14:35:10 UTC</pubDate>
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      </item>
      <item>
         <title>Đào Hiếu Trung-8C</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092011764</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-13 03:30:03 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092011764</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092016155</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-13 03:41:38 UTC</pubDate>
         <guid>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092016155</guid>
      </item>
      <item>
         <title>Nguyễn Khánh Ly8c</title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092016876</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-13 03:43:42 UTC</pubDate>
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      <item>
         <title></title>
         <author>baongoc8384</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2092139329</link>
         <description><![CDATA[<div>LẬP SƠ ĐỒ TƯ DUY CÁC PHƯƠNG PHÁP PHÂN TÍCH ĐA THỨC THÀNH NHÂN TỬ. CHO VÍ DỤ MINH HỌA.</div>]]></description>
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         <pubDate>2022-03-13 08:37:09 UTC</pubDate>
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      <item>
         <title>1. Nguyễn Hương Trà</title>
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         <pubDate>2022-03-14 05:52:55 UTC</pubDate>
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      <item>
         <title>Cổ Thiện Lạc </title>
         <author>cothienlac208</author>
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         <pubDate>2022-03-14 09:56:56 UTC</pubDate>
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      <item>
         <title>Hoàng Anh Dũng 8B</title>
         <author></author>
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         <pubDate>2022-03-16 06:53:56 UTC</pubDate>
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      <item>
         <title></title>
         <author>cn0822058</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2099503782</link>
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         <pubDate>2022-03-17 07:08:57 UTC</pubDate>
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         <title>Nguyễn Thanh Sơn 8B</title>
         <author></author>
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         <pubDate>2022-03-17 12:56:24 UTC</pubDate>
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      <item>
         <title>Nguyễn Hà Minh Thư 8C</title>
         <author></author>
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         <pubDate>2022-03-17 13:47:39 UTC</pubDate>
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      <item>
         <title>2.nguyễn biên thùy 8c</title>
         <author></author>
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         <pubDate>2022-03-18 08:38:48 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
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         <pubDate>2022-03-18 13:02:14 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
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         <pubDate>2022-03-18 13:14:02 UTC</pubDate>
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      <item>
         <title>1. PHẠM KIỀU LINH 8A</title>
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         <pubDate>2022-03-18 14:14:51 UTC</pubDate>
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         <title>2. LÂM 8A</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-18 14:16:19 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2102024863</link>
         <description><![CDATA[<div>Lê Đức Anh 8b</div>]]></description>
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         <pubDate>2022-03-18 14:25:26 UTC</pubDate>
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         <title>Ng Tr Mai Anh 8A</title>
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         <pubDate>2022-03-18 14:28:34 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
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         <description><![CDATA[<div>Nguyễn thảo chi 8B</div>]]></description>
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         <pubDate>2022-03-18 14:32:04 UTC</pubDate>
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         <title></title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-18 14:34:59 UTC</pubDate>
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         <title>4.Kiều Trinh-8A</title>
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         <pubDate>2022-03-18 14:37:53 UTC</pubDate>
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         <title>NGỌC ANH</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-18 14:37:58 UTC</pubDate>
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         <title>AN</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-18 14:39:57 UTC</pubDate>
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         <title>VIỆT ANH</title>
         <author>baongoc8384</author>
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         <pubDate>2022-03-18 14:43:02 UTC</pubDate>
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         <title>Phạm Trung Kiên 8A</title>
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         <pubDate>2022-03-18 14:43:13 UTC</pubDate>
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         <title>Bùi Mai Chinh 8C</title>
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         <pubDate>2022-03-18 14:44:15 UTC</pubDate>
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         <title></title>
         <author>kieulinhyb3508</author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2102077310</link>
         <description><![CDATA[<div>Nguyễn Kiều Linh<br><br></div>]]></description>
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         <pubDate>2022-03-18 14:54:31 UTC</pubDate>
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      <item>
         <title>Bùi Chí Công_Lớp 8A</title>
         <author></author>
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         <pubDate>2022-03-18 14:57:11 UTC</pubDate>
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      <item>
         <title>Bùi Thu Hằng 8A</title>
         <author></author>
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         <pubDate>2022-03-18 15:11:03 UTC</pubDate>
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      <item>
         <title>Trần Trúc Quỳnh Chi </title>
         <author></author>
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         <pubDate>2022-03-18 15:11:51 UTC</pubDate>
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         <title>Phạm Minh Chiến</title>
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         <pubDate>2022-03-18 15:30:03 UTC</pubDate>
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      <item>
         <title>Phạm Minh Chiến-8C</title>
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         <pubDate>2022-03-18 15:32:30 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2102149234</link>
         <description><![CDATA[<div>Trần&nbsp;Đức Lâm 8B💪🏻</div>]]></description>
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         <pubDate>2022-03-18 15:38:37 UTC</pubDate>
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      <item>
         <title>Đoàn Hạnh Huyền Châu 8A</title>
         <author></author>
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         <pubDate>2022-03-18 15:52:44 UTC</pubDate>
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      <item>
         <title>Nguyễn Kim Khánh 8A</title>
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         <pubDate>2022-03-18 16:03:20 UTC</pubDate>
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         <title>Phạm Hoàng Linh-8A</title>
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         <pubDate>2022-03-18 16:32:31 UTC</pubDate>
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         <title>Lê Minh Hòa 8a</title>
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         <pubDate>2022-03-18 16:53:15 UTC</pubDate>
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         <title></title>
         <author></author>
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         <description><![CDATA[<div>33. Nguyễn Thiện Tâm_8A</div>]]></description>
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         <pubDate>2022-03-18 17:19:52 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/baongoc8384/vzt97vn9ug8ibbcy/wish/2102321755</link>
         <description><![CDATA[<div>Ma Phương Anh </div>]]></description>
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         <pubDate>2022-03-18 17:39:05 UTC</pubDate>
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         <title>Lan Ngọc</title>
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         <pubDate>2022-03-18 23:11:17 UTC</pubDate>
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         <title>Khánh Linh</title>
         <author></author>
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         <pubDate>2022-03-18 23:12:01 UTC</pubDate>
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