Luyện tập 4
<h3 id="1nbsp-tiacutenh-nham">1.&nbsp; Tính nhẩm:</h3> <p>8+3</p> <p>11-8</p> <p>11-3</p> <p>5+7</p> <p>12-5</p> <p>12-7</p> <p>3+9</p> <p>12-3</p> <p>12-9</p> <h3 id="2-so">2. Số?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094006-1664678415.png.webp" width="577" height="232" alt="hinh-anh-luyen-tap-4-1116-0" title="hinh-anh-luyen-tap-4-1116-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h3 id="3">3.</h3> <p>a) Chọn kết quả đúng với mỗi phép tính:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094109-1664678476.png.webp" width="517" height="218" alt="hinh-anh-luyen-tap-4-1116-1" title="hinh-anh-luyen-tap-4-1116-1" loading="lazy"></p> <p>b) Tính&nbsp;</p> <p>11-3-1</p> <p>15-4-2</p> <p>17-2-6</p> <p>14-7-5</p> <h3 id="4-chon-so-tru-trong-caacutec-so-datilde-cho-vagrave-tiacutenh-hieuimg-style-display-block-margin-left-auto-margin-right-auto-src-uploadstinymceanh-chup-man-hinh-2022-10-02-094227-1664678554pngwebp-width-568-height-197-alt-hinh-anh-luyen-tap-4-1116-2-title-hinh-anh-luyen-tap-4-1116-2-loading-lazy">4. Chọn số trừ trong các số đã cho và tính hiệu:<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094227-1664678554.png.webp" width="568" height="197" alt="hinh-anh-luyen-tap-4-1116-2" title="hinh-anh-luyen-tap-4-1116-2" loading="lazy"></h3> <h3 id="5">5.</h3> <p>Bác Súa có 15 giò phong lan, bác đã bán đi 7 giò. Hỏi bác Súa còn lại bao nhiêu giò phong lan?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094347-1664678637.png.webp" width="446" height="250" alt="hinh-anh-luyen-tap-4-1116-3" title="hinh-anh-luyen-tap-4-1116-3" loading="lazy"></p> <p>Phép tính: <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094421-1664678673.png.webp" width="124" height="33" alt="hinh-anh-luyen-tap-4-1116-4" title="hinh-anh-luyen-tap-4-1116-4" loading="lazy"></p> <p>Trả lời: Bác Súa còn lại <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-094502-1664678710.png.webp" width="30" height="30" alt="hinh-anh-luyen-tap-4-1116-5" title="hinh-anh-luyen-tap-4-1116-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div> giò phong lan.<p></p> <p>&nbsp;</p>