Luyện tập chung 2
<h3 id="1-tiacutenh-nham">1. Tính nhẩm:</h3> <p>6+6</p> <p>6+7</p> <p>7+7</p> <p>7+8</p> <p>8+8</p> <p>8+9</p> <h3 id="2-tiacutenh">2. Tính:</h3> <p>4+4+3</p> <p>3+3+6</p> <p>7+1+8</p> <p>5+4+5</p> <h3 id="3-img-src-uploadstinymceanh-chup-man-hinh-2022-10-01-155925-1664614772pngwebp-width-58-height-80-alt-hinh-anh-luyen-tap-chung-2-1060-0-title-hinh-anh-luyen-tap-chung-2-1060-0-loading-lazy-div-div-class-ads-horizontal-wrapped-span-class-ads-titleadvertisementspan-script-async-src-httpspagead2googlesyndicationcompageadjsadsbygooglejsclient-ca-pub-8123786206223951-crossorigin-anonymousscript-sachgiaokhoaonline-horizontal-ins-class-adsbygoogle-style-displayblock-data-ad-client-ca-pub-8123786206223951-data-ad-slot-2203391893-data-ad-format-auto-data-full-width-responsive-trueins-script-adsbygoogle-windowadsbygoogle-push-script-div-div">3. <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-01-155925-1664614772.png.webp" width="58" height="80" alt="hinh-anh-luyen-tap-chung-2-1060-0" title="hinh-anh-luyen-tap-chung-2-1060-0" loading="lazy"><div> <div class="ads-horizontal-wrapped">
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</div></h3> <p>9+7 ? 9+9</p> <p>8+8 ? 8+5</p> <p>7+6 ? 7+8</p> <p>5+6 ? 7+4</p> <h3 id="4">4.</h3> <p>Hàng trên có 8 bạn, hàng dưới có 8 bạn. Hỏi hai hàng có tất cả bao nhiêu bạn?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-01-160128-1664614894.png.webp" width="470" height="175" alt="hinh-anh-luyen-tap-chung-2-1060-1" title="hinh-anh-luyen-tap-chung-2-1060-1" loading="lazy"></p> <p>Phép tính: <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-01-145228-1664614915.png.webp" width="161" height="38" alt="hinh-anh-luyen-tap-chung-2-1060-2" title="hinh-anh-luyen-tap-chung-2-1060-2" loading="lazy"></p> <p>Trả lời: Hai hàng có tất cả <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-01-145321-1664614944.png.webp" width="36" height="32" alt="hinh-anh-luyen-tap-chung-2-1060-3" title="hinh-anh-luyen-tap-chung-2-1060-3" loading="lazy">&nbsp; bạn.</p> <p>&nbsp;</p>