table 中 td不显示空格且不换行？

Question

Answer 1

13 3	2
3	4

<table  rules="all" frame='border'>
    <tr>
        <td>1</br>3 3</td>
        <td>2</td>
    </tr>
    <tr>
        <td>3</td>
        <td>4</td>
    </tr>
</table>