TRẦN MINH TƯỜNG: C2

Hiển thị các bài đăng có nhãn C2. Hiển thị tất cả bài đăng

Bài 1. Số nguyên âm và tập hợp các số nguyên

<p> </p><br />Giải bài 1 trang 46 Sách bài tập Toán 6 - Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Số nguyên nào thích hợp để mô tả mỗi tình huống sau:</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) Thưởng 10 điểm trong một cuộc thi đấu</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) Bớt 4 điểm vi phạm luật</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) Nhiệt độ ngăn đá tủ là 5 độ dưới <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow class="MJX-TeXAtom-ORD"><msup><mn>0</mn><mi>o</mi></msup></mrow><mi>C</mi></math>" id="MathJax-Element-1-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-1" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-2" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-texatom" id="MJXc-Node-3" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-4" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-msubsup" id="MJXc-Node-5" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-base" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mn" id="MJXc-Node-6" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px; white-space: pre;">0</span></span></span><span class="mjx-sup" style="box-sizing: content-box !important; display: inline-block; font-size: 15.3985px; margin: 0px; padding: 0px 0.071em 0px 0px; vertical-align: 0.591em;"><span class="mjx-mi" id="MJXc-Node-7" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-math-I" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-math-I, MJXc-TeX-math-Ix, MJXc-TeX-math-Iw; margin: 0px; padding: 0.232em 0px 0.278em; white-space: pre;">o</span></span></span></span></span></span><span class="mjx-mi" id="MJXc-Node-8" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-math-I" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-math-I, MJXc-TeX-math-Ix, MJXc-TeX-math-Iw; margin: 0px; padding: 0.461em 0.045em 0.278em 0px; white-space: pre;">C</span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mrow class="MJX-TeXAtom-ORD"><msup><mn>0</mn><mi>�</mi></msup></mrow><mi>�</mi></math></span></span>.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) Rút 3 000 000 đồng từ thẻ ATM</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">e) Đỉnh núi Fansipan (Phan-xi-păng) cao 3143m so với mực nước biển.</p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Xem xét tình huống lựa chọn dấu - hoặc + phù hợp.</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) +10 hoặc 10</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) -4</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) -5</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) -3 000 000</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">e) +3143  hoặc 3143.</p></div></div>Giải bài 2 trang 47 sách bài tập Toán 6 - Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Cho trục số:</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img src="https://img.loigiaihay.com/picture/2022/1102/capture_10.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 500px; padding: 0px; width: 500px;" /></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Hãy ghi số nguyên thích hợp vào vị trí trên trục số trong mỗi trường hợp sau:</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) Điểm nằm cách điểm a năm đơn vị về bên phải.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) Điểm nằm cách điểm b bảy đơn vị về bên trái.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) Điểm nằm cách điểm c mười đơn vị về bên phải.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) Điểm nằm cách điểm a hai đơn vị về bên trái.</p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 1: Xác định điểm đó biểu diễn số nào</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 2: Biểu diễn chúng trên trục số</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) Điểm 2;</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) Điểm -2;</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) Điểm 3;</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) Điểm -5;</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img src="https://img.loigiaihay.com/picture/2022/1102/capture_11.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 500px; padding: 0px; width: 500px;" /></p></div></div>Giải bài 3 trang 47 sách bài tập Toán 6 – Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Hãy vẽ một trục số, trên đó vẽ những điểm nằm cách điểm nằm cách điểm 0 năm đơn vị. Những điểm này biểu diễn các số nguyên nào?</p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 1: Vẽ trục số, chia đơn vị</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 2: Xác định điểm nằm cách điểm 0 năm đơn vị.</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img height="88" src="https://img.loigiaihay.com/picture/2022/1102/capture_8.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px;" width="519" /></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Các điểm nằm cách điểm 0 năm đơn vị là: 5 và -5</p></div></div>Giải bài 4 trang 47 sách bài tập Toán 6 – Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Các phát biểu sau đúng hay sai?</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>6</mn><mspace width="thickmathspace" /><mo>&#x2208;</mo><mspace width="thickmathspace" /><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">N</mi></mrow></math>" id="MathJax-Element-1-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-1" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-2" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mn" id="MJXc-Node-3" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px; white-space: pre;">6</span></span><span class="mjx-mspace" id="MJXc-Node-4" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-mo MJXc-space3" id="MJXc-Node-5" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.232em 0px 0.37em; white-space: pre;">∈</span></span><span class="mjx-mspace" id="MJXc-Node-6" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-texatom MJXc-space3" id="MJXc-Node-7" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-8" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mi" id="MJXc-Node-9" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-ams-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-ams-R, MJXc-TeX-ams-Rw; margin: 0px; padding: 0.461em 0px 0.324em; white-space: pre;">N</span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>6</mn><mspace width="thickmathspace"></mspace><mo>∈</mo><mspace width="thickmathspace"></mspace><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">�</mi></mrow></math></span></span></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>&#x2212;</mo><mn>5</mn><mspace width="thickmathspace" /><mo>&#x2208;</mo><mspace width="thickmathspace" /><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">N</mi></mrow></math>" id="MathJax-Element-2-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-10" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-11" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mo" id="MJXc-Node-12" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.278em 0px 0.416em; white-space: pre;">−</span></span><span class="mjx-mn" id="MJXc-Node-13" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px; white-space: pre;">5</span></span><span class="mjx-mspace" id="MJXc-Node-14" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-mo MJXc-space3" id="MJXc-Node-15" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.232em 0px 0.37em; white-space: pre;">∈</span></span><span class="mjx-mspace" id="MJXc-Node-16" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-texatom MJXc-space3" id="MJXc-Node-17" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-18" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mi" id="MJXc-Node-19" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-ams-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-ams-R, MJXc-TeX-ams-Rw; margin: 0px; padding: 0.461em 0px 0.324em; white-space: pre;">N</span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>−</mo><mn>5</mn><mspace width="thickmathspace"></mspace><mo>∈</mo><mspace width="thickmathspace"></mspace><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">�</mi></mrow></math></span></span></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>&#x2212;</mo><mn>1</mn><mspace width="thickmathspace" /><mo>&#x2208;</mo><mspace width="thickmathspace" /><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">Z</mi></mrow></math>" id="MathJax-Element-3-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-20" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-21" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mo" id="MJXc-Node-22" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.278em 0px 0.416em; white-space: pre;">−</span></span><span class="mjx-mn" id="MJXc-Node-23" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px 0.324em; white-space: pre;">1</span></span><span class="mjx-mspace" id="MJXc-Node-24" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-mo MJXc-space3" id="MJXc-Node-25" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.232em 0px 0.37em; white-space: pre;">∈</span></span><span class="mjx-mspace" id="MJXc-Node-26" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-texatom MJXc-space3" id="MJXc-Node-27" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-28" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mi" id="MJXc-Node-29" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-ams-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-ams-R, MJXc-TeX-ams-Rw; margin: 0px; padding: 0.461em 0px 0.278em; white-space: pre;">Z</span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>−</mo><mn>1</mn><mspace width="thickmathspace"></mspace><mo>∈</mo><mspace width="thickmathspace"></mspace><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">�</mi></mrow></math></span></span></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>+</mo><mn>7</mn><mspace width="thickmathspace" /><mo>&#x2208;</mo><mspace width="thickmathspace" /><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">Z</mi></mrow></math>" id="MathJax-Element-4-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-30" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-31" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mo" id="MJXc-Node-32" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.278em 0px 0.416em; white-space: pre;">+</span></span><span class="mjx-mn" id="MJXc-Node-33" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px; white-space: pre;">7</span></span><span class="mjx-mspace" id="MJXc-Node-34" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-mo MJXc-space3" id="MJXc-Node-35" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.232em 0px 0.37em; white-space: pre;">∈</span></span><span class="mjx-mspace" id="MJXc-Node-36" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-texatom MJXc-space3" id="MJXc-Node-37" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-38" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mi" id="MJXc-Node-39" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-ams-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-ams-R, MJXc-TeX-ams-Rw; margin: 0px; padding: 0.461em 0px 0.278em; white-space: pre;">Z</span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>+</mo><mn>7</mn><mspace width="thickmathspace"></mspace><mo>∈</mo><mspace width="thickmathspace"></mspace><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">�</mi></mrow></math></span></span></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">e) <span class="mjx-chtml MathJax_CHTML" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn><mspace width="thickmathspace" /><mo>&#x2208;</mo><mspace width="thickmathspace" /><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">Z</mi></mrow></math>" id="MathJax-Element-5-Frame" role="presentation" style="border: 0px; direction: ltr; display: inline-block; float: none; font-size: 21.78px; line-height: 0; margin: 0px; max-height: none; max-width: none; min-height: 0px; min-width: 0px; overflow-wrap: normal; padding: 1px 0px; position: relative; text-align: left; white-space: nowrap; word-spacing: normal;" tabindex="0"><span aria-hidden="true" class="mjx-math" id="MJXc-Node-40" style="border-collapse: separate; border-spacing: 0px; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-41" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mn" id="MJXc-Node-42" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.37em 0px; white-space: pre;">0</span></span><span class="mjx-mspace" id="MJXc-Node-43" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-mo MJXc-space3" id="MJXc-Node-44" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-char MJXc-TeX-main-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-main-R, MJXc-TeX-main-Rw; margin: 0px; padding: 0.232em 0px 0.37em; white-space: pre;">∈</span></span><span class="mjx-mspace" id="MJXc-Node-45" style="box-sizing: content-box !important; display: inline-block; height: 0px; margin: 0px; padding: 0px; width: 0.278em;"></span><span class="mjx-texatom MJXc-space3" id="MJXc-Node-46" style="box-sizing: content-box !important; display: inline-block; margin: 0px 0px 0px 0.278em; padding: 0px;"><span class="mjx-mrow" id="MJXc-Node-47" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-mi" id="MJXc-Node-48" style="box-sizing: content-box !important; display: inline-block; margin: 0px; padding: 0px;"><span class="mjx-char MJXc-TeX-ams-R" style="box-sizing: content-box !important; display: block; font-family: MJXc-TeX-ams-R, MJXc-TeX-ams-Rw; margin: 0px; padding: 0.461em 0px 0.278em; white-space: pre;">Z</span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation" style="border: 0px !important; clip: rect(1px, 1px, 1px, 1px); display: block !important; height: 1px !important; left: 0px; margin: 0px; overflow: hidden !important; padding: 1px 0px 0px !important; position: absolute !important; top: 0px; user-select: none; width: 1px !important;"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn><mspace width="thickmathspace"></mspace><mo>∈</mo><mspace width="thickmathspace"></mspace><mrow class="MJX-TeXAtom-ORD"><mi mathvariant="double-struck">�</mi></mrow></math></span></span></p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Nhớ lại về tập số  tự nhiên và tập số nguyên, cách phân biệt chúng.</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">a) Đúng</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">b) Sai vì -5 là số nguyên, không phải số tự nhiên</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">c) Đúng</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">d) Đúng</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">e) Đúng</p></div></div><br />Giải bài 5 trang 47 sách bài tập Toán 6 – Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Vẽ một đoạn của trục số từ -10 đến 10. Biểu diễn trên đó các số nguyên sau đây:</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">+4; -5; 0; -8; 2; -1; 7; 9; -9</p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Vẽ trục số từ -10 đến 10, xác định các điểm cần vẽ.</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img src="https://img.loigiaihay.com/picture/2022/1102/capture_7.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 700px; padding: 0px; width: 700px;" /></p></div></div>Giải bài 6 trang 47 sách bài tập Toán 6 – Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Tìm số đối của các số nguyên sau: -16; 10; 4; -4; 0; -100; 2021</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">16 là số đối của -16;</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">-10 là số đối của 10</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">-4 là số đối của 4</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">4 là số đối của -4</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">0 là số đối của chính nó</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">100 là số đối của  -100</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">-2021 là số đối của 2021</p><div><br /></div><div style="line-height: 26px; margin: 0px; padding: 0px;"></div></div><ins class="982a9496" data-key="8c1a76b9ab4d8e1356920626d3ae545d" style="margin: 0px; padding: 0px;"></ins></div><br />Giải bài 7 trang 47 sách bài tập Toán 6 – Chân trời sáng tạo<div class="detail_new" style="background-color: white; font-family: OpenSans, Tahoma, Helvetica, sans-serif; font-size: 16px; line-height: 26px; margin: 0px; padding: 0px 5px; word-break: break-word;"><div class="center bottom10" style="margin-bottom: 10px !important; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding: 0px; text-align: center;"><ins class="982a9496" data-key="032300ccaf074f044010600ff650587e" style="margin: 0px; padding: 0px;"></ins></div><div class="post-toc" id="post-toc-container" style="margin: 0px; padding: 0px;"></div><div id="box-content" style="font-size: 18px; line-height: 26px; margin: 0px; padding: 0px; text-align: justify;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_question" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Đề bài</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Các điểm A, B, C, D trên trục số ở hình dưới đây biểu diễn các số nguyên nào? Tìm số đối của các số nguyên đó.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img src="https://img.loigiaihay.com/picture/2022/1102/capture_4.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 700px; padding: 0px; width: 700px;" /></p><div class="content_method_container" style="line-height: 26px; margin: 0px; padding: 10px 0px 2px;"><p class="content_method_header" style="background: rgb(252, 241, 196); border-radius: 5px; cursor: pointer; line-height: 26px; margin: 0px; padding: 10px; text-align: center; word-break: normal;"><strong class="content_method" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Phương pháp giải - Xem chi tiết</strong><img class="method-open-icon" id="method_colapse_icon" src="data:image/png;base64,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" style="float: right; height: auto; margin: 0px; max-height: 100%; max-width: 100%; padding: 0px; position: relative; top: 10px;" /></p><div class="content_method_content" style="border-bottom: 1px dashed rgb(234, 214, 126); border-image: initial; border-left: 1px dashed rgb(234, 214, 126); border-right: 1px dashed rgb(234, 214, 126); border-top: none; line-height: 26px; margin: 0px 0px 10px; padding: 10px 10px 5px;"><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 1: Xác định các điểm A, B, C, D dựa vào khoảng cách giữa chúng với điểm 0, năm bên trái hay bên phải điểm 0.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Bước 2: Suy ra các số đối.</p></div></div><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><strong class="content_detail" style="font-family: OpenSansBold; margin: 0px; padding: 0px;">Lời giải chi tiết</strong></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Điểm A cách điểm 0 năm đơn vị về bên trái, nên A là điểm -5.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Điểm B cách điểm 0 chín đơn vị về bên phải, nên B là điểm 9.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Điểm C cách điểm 0 ba đơn vị về bên phải, nên C là điểm 3.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">Điểm D cách điểm 0 tám đơn vị về bên trái, nên D là điểm -8.</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;"><img src="https://img.loigiaihay.com/picture/2022/1102/capture_5.PNG" style="height: auto; margin: 0px; max-height: 100%; max-width: 700px; padding: 0px; width: 700px;" /></p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">5 là số đối của -5</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">-9 là số đối của 9</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">-3 là số đối của 3</p><p style="line-height: 26px; margin: 0px 0px 12px; padding: 0px; word-break: normal;">8 là số đối của -8</p></div></div>