Phép cộng các số trong phạm vi 100 000
<p style="text-align: center;"><strong>31 421 + 12 515 = ?</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b26-h3-1667117722.jpg.webp" width="291" height="109" alt="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-0" title="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <p style="text-align: center;"><img src="/uploads/tinymce/b26-h1-1667117742.jpg.webp" width="150" height="113" alt="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-1" title="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-1" loading="lazy"></p> <p style="text-align: center;"><strong>31 421 + 12 515 = 43 936</strong></p> <ul> <li>1 cộng 5 bằng 6, viết 6.</li> <li>2 cộng 1 bằng 3, viết 3.</li> <li>4 cộng 5 bằng 9, viết 9.</li> <li>1 cộng 2 bằng 3, viết 3.</li> <li>3 cộng 1 bằng 4, viết 4.</li> </ul> <p style="text-align: center;"><strong>39 421 + 12 385 = ?</strong></p> <p style="text-align: center;"><strong><img src="/uploads/tinymce/b26-h2-1667117909.jpg.webp" width="161" height="117" alt="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-2" title="hinh-anh-phep-cong-cac-so-trong-pham-vi-100-000-2016-2" loading="lazy"></strong></p> <p style="text-align: center;"><strong>39 421 + 12 385 = 51 806</strong></p> <ul> <li>1 cộng 5 bằng 6, viết 6.</li> <li>2 cộng 8 bằng 10, viết 0,&nbsp;<strong>nhớ 1.</strong></li> <li>4 cộng 3 bằng 7,&nbsp;<strong>thêm 1&nbsp;</strong>bằng 8, viết 8.</li> <li>9 cộng 2 bằng 11, viết 1, <strong>nhớ 1</strong>.</li> <li>3 cộng 1 bằng 4,&nbsp;<strong>thêm 1&nbsp;</strong>bằng 5, viết 5.</li> </ul> <h3 id="1-dat-tiacutenh-roi-tiacutenh">1. Đặt tính rồi tính.</h3> <p>28 136 + 30 742</p> <p>10 508 + 5 010</p> <p>62 517 + 36 531</p> <p>7 712 + 80 854</p> <h3 id="bagravei-tap-1-gt-lt">Bài tập 1: &gt;, &lt;, =</h3> <p>a) 80 000 + 800 + 8 .?. 88 000</p> <p>b) 65 000 + 200 .?. 60 000 + 5 200</p> <p>c) 40 000 + 4 000 .?. 8 000</p> <p>d) 33 000 + 300 .?. 3 333</p> <h3 id="bagravei-tap-2-moi-so-lagrave-giaacute-tri-cua-bieu-thuc-nagraveo">Bài tập 2: Mỗi số là giá trị của biểu thức nào?</h3> <p>A. 3 000 + 5 000 + 7 000&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 100 000</p> <p>B. 61 000 + (4 100 + 4 900)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;15 000</p> <p>C. (14 000 + 36 000) + 50 000&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 70 000</p> <h3 id="bagravei-tap-3-chon-yacute-tra-loi-duacuteng">Bài tập 3: Chọn ý trả lời đúng.</h3> <p>a) .?. - 11 800 = 6 900</p> <p style="padding-left: 40px;">A. 80 800 &nbsp; B. 18 700&nbsp; &nbsp;C. 17 700</p> <p>b) .?. - 43 050 = 17 350</p> <p style="padding-left: 40px;">A. 56 800&nbsp; &nbsp;B. 60 300&nbsp; &nbsp;C. 60 400</p> <p>c)&nbsp; .?. + 7 000 = 10 000</p> <p style="padding-left: 40px;">A. 3 000&nbsp; &nbsp;B. 17 000&nbsp; &nbsp;C. 8 000</p> <p>d) 2 000 + .?. = 82 000</p> <p style="padding-left: 40px;">A. 9 000&nbsp; &nbsp;B. 80 000&nbsp; &nbsp;C. 100 000</p> <h3 id="bagravei-tap-4nbsp">Bài tập 4:&nbsp;</h3> <p>Một gia đình nuôi bò sữa, tháng thứ nhất bán được 17 250&nbsp;<em>l&nbsp;</em>sữa, tháng thứ hai bán được nhiều hơn tháng thứ nhất 270&nbsp;<em>l&nbsp;</em>sữa. Hỏi cả hai tháng gia đình đó bán được bao nhiêu lít sữa?</p>