Luyện tập 8 (tiếp theo)
<h3 id="1-dat-tiacutenh-roi-tiacutenh">1. Đặt tính rồi tính:</h3> <p>63-38</p> <p>70-26</p> <p>54-9</p> <p>30-5</p> <h3 id="2-tiacutenh-theo-mau">2. Tính (theo mẫu):</h3> <p><strong>Mẫu: <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-155430-1664700884.png.webp" width="448" height="216" alt="hinh-anh-luyen-tap-8-tiep-theo-1141-0" title="hinh-anh-luyen-tap-8-tiep-theo-1141-0" loading="lazy"></strong></p><div><strong> <div class="ads-horizontal-wrapped">
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</strong></div><p></p> <p><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-155520-1664700927.png.webp" width="496" height="92" alt="hinh-anh-luyen-tap-8-tiep-theo-1141-1" title="hinh-anh-luyen-tap-8-tiep-theo-1141-1" loading="lazy"></strong></p> <h3 id="3nbsp">3.&nbsp;</h3> <p>a) Đặt tính rồi tính:</p> <p>100-19</p> <p>100-66</p> <p>100-75</p> <p>100-94</p> <p>b) Tính nhẩm:&nbsp;</p> <p>100-60</p> <p>100-30</p> <p>100-80</p> <p>100-50</p> <p>100-90</p> <p>100-70</p> <p>100-10</p> <p>100-40</p> <h3 id="4nbsp">4.&nbsp;</h3> <p>a) Đặt tính rồi tính (theo mẫu):</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-155745-1664701072.png.webp" width="555" height="208" alt="hinh-anh-luyen-tap-8-tiep-theo-1141-2" title="hinh-anh-luyen-tap-8-tiep-theo-1141-2" loading="lazy"></p> <p>100-7</p> <p>100-8</p> <p>100-4</p> <p>100-9</p> <p>b) Tính nhẩm:</p> <p>100-1</p> <p>100-3</p> <p>100-6</p> <p>100-2</p> <p>100-0</p> <p>100-100</p> <h3 id="5-tigravem-loi-sai-trong-moi-pheacutep-tiacutenh-sau-roi-sua-lai-cho-duacuteng">5. Tìm lỗi sai trong mỗi phép tính sau rồi sửa lại cho đúng:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-155921-1664701167.png.webp" width="579" height="146" alt="hinh-anh-luyen-tap-8-tiep-theo-1141-3" title="hinh-anh-luyen-tap-8-tiep-theo-1141-3" loading="lazy"></p> <h3 id="6">6.</h3> <p>Buổi sáng cửa hàng bán được 100 chai sữa, buổi chiều cửa hàng bán được ít hơn buổi sáng 9 chai. Hỏi buổi chiều cửa hàng bán được bao nhiêu chai sữa?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-160115-1664701285.png.webp" width="438" height="185" alt="hinh-anh-luyen-tap-8-tiep-theo-1141-4" title="hinh-anh-luyen-tap-8-tiep-theo-1141-4" loading="lazy"></p> <p>&nbsp;</p>