Luyện tập chung 3
<h3 id="1-tiacutenh">1. Tính:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-101311-1664680409.png.webp" width="539" height="218" alt="hinh-anh-luyen-tap-chung-3-1119-0" title="hinh-anh-luyen-tap-chung-3-1119-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h3 id="2-tiacutenh-nham">2. Tính nhẩm:</h3> <p>9+6<br>6+9<br>15-9<br>15-6</p> <p>9+8<br>8+9<br>17-8<br>17-9</p> <p>8+5<br>5+8<br>13-5<br>13-8</p> <h3 id="3-necircu-caacutec-pheacutep-tiacutenh-thiacutech-hop-theo-mau">3. Nêu các phép tính thích hợp (theo mẫu):</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102720-1664681248.png.webp" width="553" height="260" alt="hinh-anh-luyen-tap-chung-3-1119-1" title="hinh-anh-luyen-tap-chung-3-1119-1" loading="lazy"></p> <h3 id="4-tiacutenh">4. Tính:</h3> <p>9+1+8</p> <p>8+2+5</p> <p>4+6+7</p> <p>11-1-3</p> <p>14-4-1</p> <p>19-9-6</p> <p>7+3-4</p> <p>15-5+7</p> <p>13-3+8</p> <h3 id="5-img-src-uploadstinymceanh-chup-man-hinh-2022-10-01-155925-1664681323pngwebp-width-44-height-60-alt-hinh-anh-luyen-tap-chung-3-1119-2-title-hinh-anh-luyen-tap-chung-3-1119-2-loading-lazy">5. <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-01-155925-1664681323.png.webp" width="44" height="60" alt="hinh-anh-luyen-tap-chung-3-1119-2" title="hinh-anh-luyen-tap-chung-3-1119-2" loading="lazy"></h3> <p>7+5 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681389.png.webp" width="26" height="28" alt="hinh-anh-luyen-tap-chung-3-1119-3" title="hinh-anh-luyen-tap-chung-3-1119-3" loading="lazy"> 11</p> <p>13-4 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681407.png.webp" width="25" height="27" alt="hinh-anh-luyen-tap-chung-3-1119-4" title="hinh-anh-luyen-tap-chung-3-1119-4" loading="lazy"> 10</p> <p>9+6 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681424.png.webp" width="23" height="25" alt="hinh-anh-luyen-tap-chung-3-1119-5" title="hinh-anh-luyen-tap-chung-3-1119-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div> 5+9&nbsp;<p></p> <p>15-8 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681438.png.webp" width="23" height="23" alt="hinh-anh-luyen-tap-chung-3-1119-6" title="hinh-anh-luyen-tap-chung-3-1119-6" loading="lazy"> 5+8</p> <p>6+7 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681482.png.webp" width="28" height="30" alt="hinh-anh-luyen-tap-chung-3-1119-7" title="hinh-anh-luyen-tap-chung-3-1119-7" loading="lazy"> 7+6</p> <p>14-9 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-102938-1664681496.png.webp" width="28" height="30" alt="hinh-anh-luyen-tap-chung-3-1119-8" title="hinh-anh-luyen-tap-chung-3-1119-8" loading="lazy"> 5+9</p> <h3 id="6">6.</h3> <p>Hiền làm được 12 chiếc chong chóng, Hiền cho các em 9 chiếc. Hỏi Hiền còn lại mấy chiếc chong chóng?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-103259-1664681585.png.webp" width="446" height="284" alt="hinh-anh-luyen-tap-chung-3-1119-9" title="hinh-anh-luyen-tap-chung-3-1119-9" loading="lazy"></p> <p>Phép tính: <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094421-1664681610.png.webp" width="139" height="37" alt="hinh-anh-luyen-tap-chung-3-1119-10" title="hinh-anh-luyen-tap-chung-3-1119-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>Trả lời: Hiền còn lại <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094502-1664681639.png.webp" width="28" height="28" alt="hinh-anh-luyen-tap-chung-3-1119-11" title="hinh-anh-luyen-tap-chung-3-1119-11" loading="lazy"> chiếc chong chóng.</p>