y: 宋体; font-size: 12pt;">2 x<sub style="font-family: arial, verdana, helvetica, sans-serif;">1</sub>&nbsp;y<sub style="font-family: arial, verdana, helvetica, sans-serif;">1</sub>&nbsp;x<sub style="font-family: arial, verdana, helvetica, sans-serif;">2</sub>&nbsp;y<sub style="font-family: arial, verdana, helvetica, sans-serif;">2</sub><o:p style="font-family: arial, verdana, helvetica, sans-serif;"></o:p></span></p>
            </td>
            <td valign="top" width="189" style="font-family: arial, 