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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(2)\"><div class=\"download_card\"><div class=\"card_nr card_nr_lb\"><h4 class=\"card_bt\">除法的验算</h4><div class=\"download_card_msg\">÷ 4＝7 × 6 ＝         8 × 9 ＝           18 × 4＝自己任选一组进行解答．问：通过做题你能发现什么？学生汇报：商和除数相乘等于被除数．板书：2．设疑引出课题：师：通过同学们的认真观察，我们发现：商和除数相乘，结果等于被除数．利用这一规律我们可以做什么？（用商和除数相乘的方法来验算除法计算得对不对．）这节课我们来学习除法的验算．（板书课题）二、计算应用，内化新知1. 出示例6：441÷7＝请同桌二人合作，一人计算得数，另一人验算，看是否正确．教师有针对性地展示几个同桌计。下面小编给大家分享除法的验算，希望能帮助到大家。 除法的验算文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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