Các Phép Tính Dạng 34 + 23, 57 - 23
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</div> thể hiện các phép tính.<p></p> <p>34 + 23 = ?</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1202-1663512864.png.webp" width="375" height="316" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-1" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-1" loading="lazy"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1203-1663512874.png.webp" width="91" height="139" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-2" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-2" loading="lazy">4 cộng 3 bằng 7, viết 7.<br>3 cộng 2 bằng 5, viết 5.</p> <p style="text-align: center;">34 + 23 = 57</p> <p style="text-align: left;">57 - 23 = ?</p> <p style="text-align: center;"><img src="/uploads/tinymce/1204-1663512916.png.webp" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-3" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-3" loading="lazy"></p> <p style="text-align: center;"><img src="/uploads/tinymce/1205-1663512925.png.webp" width="81" height="135" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-4" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-4" loading="lazy"></p> <p style="text-align: center;">7 trừ 3 bằng 4, viết 4.<br>5 trừ 2 bằng 3, viết 3.</p> <p style="text-align: center;">57 - 23 = 34</p> <p style="text-align: left;">Đặt tính rồi tính.</p> <p style="text-align: left;">28 + 71&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 48 - 36&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 40 + 50</p> <p style="text-align: left;">64 + 32&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 95 - 43&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 70 - 60</p> <h3 style="text-align: left;" id="luyen-tap-1-tiacutenh">Luyện tập 1. Tính</h3> <p style="text-align: left;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1211-1663513009.png.webp" width="720" height="90" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-5" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h3 style="text-align: left;" id="luyen-tap-2-tiacutenh-theo-mau">Luyện tập 2. Tính theo mẫu.</h3> <p style="text-align: left;">Mẫu:</p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1212-1663513025.png.webp" width="94" height="142" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-6" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-6" loading="lazy">0 cộng 7 bằng 7, viết 7.<br>Hạ 5, viết 5.</p> <p style="text-align: center;"><img src="/uploads/tinymce/1213-1663513055.png.webp" width="97" height="141" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-7" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-7" loading="lazy"></p> <p style="text-align: center;">9 trừ 8 bằng 1, viết 1.<br>Hạ 2, viết 2.</p> <p style="text-align: center;"><img src="/uploads/tinymce/1214-1663513077.png.webp" width="709" height="111" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-8" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-8" loading="lazy"></p> <h3 style="text-align: left;" id="luyen-tap-3-so">Luyện tập 3. Số?</h3> <p style="text-align: center;"><img src="/uploads/tinymce/1215-1663513096.png.webp" width="580" height="531" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-9" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-9" loading="lazy"></p> <h3 style="text-align: left;" id="luyen-tap-4-tiacutenh-nham">Luyện tập 4. Tính nhẩm.</h3> <p style="text-align: left;">60 + 20&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 10 + 70&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 90 - 30</p> <p style="text-align: left;">70 - 60&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;80 - 70&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;40 + 30</p> <h3 style="text-align: left;" id="luyen-tap-5-tiacutenh-nham">Luyện tập 5. Tính nhẩm.</h3> <p style="text-align: left;">6 + 3 + 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 10 - 3 - 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 80 - 60 - 10</p> <h3 style="text-align: left;" id="luyen-tap-6-dat-tiacutenh-roi-tiacutenh">Luyện tập 6. Đặt tính rồi tính.</h3> <p style="text-align: left;">16 + 53&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 23 + 6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 57 - 4</p> <p style="text-align: left;">84 - 22&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;4 + 75&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 89 - 5</p> <h3 style="text-align: left;" id="luyen-tap-7-gt-lt">Luyện tập 7. &gt;; =; &lt;?</h3> <p style="text-align: left;">45 - 5&nbsp; &nbsp; ...&nbsp; &nbsp;45</p> <p style="text-align: left;">30 + 10 ...&nbsp; &nbsp;30</p> <p style="text-align: left;">20 + 6&nbsp; &nbsp;...&nbsp; &nbsp; 26</p> <h3 style="text-align: left;" id="luyen-tap-8-so">Luyện tập 8. Số?</h3> <p style="text-align: left;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/122-1663513300.png.webp" alt="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-10" title="hinh-anh-cac-phep-tinh-dang-34-23-57-23-746-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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