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                <h1>线段和长短比较文件:</h1>
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                        <col width="50">
                        <col>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段的长短比较</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="170244">立即下载</button>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">比较线段的长短</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="170243">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">7.3.1线段的长短比较</a></td>
                            <td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.2比较线段的长短(课件）</a></td>
                            <td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">直线、射线、线段的大小比较</a></td>
                            <td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线和直线</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="170150">立即下载</button>
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                                            <tr>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">7.2线段、射线和直线-PPT课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="201020">立即下载</button>
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                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">角的比较</a></td>
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                                            <tr>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.3.2角的比较与运算</a></td>
                            <td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线、直线</a></td>
                            <td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">直线、射线、线段</a></td>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">直线、射线、线段</a></td>
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                                            <tr>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">直线、射线、线段</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="217602">立即下载</button>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线、直线</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="170152">立即下载</button>
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                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线、直线</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="201031">立即下载</button>
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                                            <tr>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">6.1　线段、射线、直线(1)</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">6.1　线段、射线、直线(1)</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="170155">立即下载</button>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.3.2角的比较与运算</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线、直线-教学课件</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">线段、射线、直线-教学课件</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="201011">立即下载</button>
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                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.2直线、射线、线段张海生</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="170153">立即下载</button>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.2直线、射线、线段张海生</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.2直线、射线、线段(1)教学课件</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="217606">立即下载</button>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.2.1线段、射线、直线-教学课件</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级数学上册_4.3.2角的比较和运算课件_人教新课标版</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.2.1线段、射线、直线-教学课件</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="201019">立即下载</button>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">数学：直线、射线、线段-教学课件</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">湘教版七年级上4.2线段、射线、直线课件(共12张PPT)</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">2.4《线段的垂直平分线》课件(共18张PPT)</a></td>
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                                <button type="button" class="layui-btn downBtn" data-key="180392">立即下载</button>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">15.2线段的垂直平分线课件(共22张PPT)</a></td>
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                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级数学上册_角的比较课件_北师大版</a></td>
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