  <table width="58%" border="1" align="center">
    <tr> 
      <td width="29%">Primeiro N&uacute;mero:</td>
      <td width="25%"> 
        <input type="text" name="priNum" size="5" maxlength="5">
      </td>
      <td width="46%">&nbsp;</td>
    </tr>
    <tr> 
      <td width="29%">&nbsp;</td>
      <td width="25%">&nbsp;</td>
      <td width="46%"> 
        <input type="radio" name="sinalOper" value="+">
        <font size="5">+</font> 
        <input type="radio" name="sinalOper" value="-">
        <font size="5"> - </font> 
      </td>
    </tr>
    <tr> 
      <td width="29%">Segundo N&uacute;mero</td>
      <td width="25%"> 
        <input type="text" name="segNum" size="5" maxlength="5">
      </td>
      <td width="46%">&nbsp;</td>
    </tr>
  </table>