tabal desigual

<table borde>
<table border=5>
<caption>ejemplo tabla sencilla</caption>
<tr>
<td>fila1-celda1</td><td>fila1-celda2</td><td>fila1-celda3</td>
</tr>
<tr>
<td>fila2-celda1</td><td>fila2-celda2</td>
</tr>
</table>