td中嵌套table，让table完全填充父元素td

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<table  width="100% "  cellspacing=0 cellpadding=0 border=1 >     <tr>                  <td style="width: 100%;padding: 0"  border=1  >             <table  width="100% " cellspacing=0 cellpadding=0 border=1 >                 <tr>                     <td>2</td>                     <td>1</td>                     <td>0</td>                     <td>3</td>                 </tr>         　　</table>         </td>     </tr>     <tr><td>111</td></tr> </table>