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<html><body><p>Tables start with a table tag.<br>Table rows start with a tr tag.<br>Table data start with a td tag.</p><hr><h2>1 Column:</h2><table> <tr> <td>100</td> </tr></table><hr><h2>1 Row and 3 Columns:</h2><table> <tr> <td>100</td> <td>200</td> <td>300</td> </tr></table><hr><h2>3 Rows and 3 Columns:</h2><table> <tr> <td>100</td> <td>200</td> <td>300</td> </tr> <tr> <td>400</td> <td>500</td> <td>600</td> </tr> <tr> <td>700</td> <td>800</td> <td>900</td> </tr></table>