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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\">等差数列的通项公式教案，等差数列2的教案设计</h4><div class=\"download_card_msg\">文章由书库网为大家分享以下文章：篇一：高中等差数列的教学设计 篇一【教学目标】1．知识与技能1理解等差数列的定义，会应用定义判断一个数列是否是等差数列：2账务等差数列的通项公式及其推导过程：3会应用等差数列通项公式解决简单问题。2、过程与方。下面小编给大家分享等差数列的通项公式教案，等差数列2的教案设计，希望能帮助到大家。 等差数列的通项公式教案，等差数列2的教案设计文档下载网址链接：</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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