document.write ("<b>上一篇</b>：<a href='/DocHtml/524/2013/5/16/2045041721168.html'>《百分数的认识》教学课例分析</a><br><b>下一篇</b>：<a href='/DocHtml/524/2009/12/12/455294571568.html'>五年级数学上册教案</a>")