Код:
<table border=1>
<tr>
<td width=50%>1</td><td width=30%>2</td><td width=20%>3</td><td width=10%>4</td><td width=10%>5</td>
</tr>
<tr>
<td>11</td><td>12</td><td>13</td><td>14</td><td>15</td>
</tr>
</table>
<table border=1>
<tr>
<td width=50%>1</td><td width=30%>2</td><td width=20%>3</td><td width=10%>4</td><td width=10%>5</td>
</tr>
<tr>
<td>11</td><td>12</td><td>13</td><td>14</td><td>15</td>
</tr>
</table>