<html lang="ko">
<head>
<meta charset="UTF-8">
<title>HTML Tables</title>
<style>
table, th, td { border: 1px solid black; border-collapse: collapse }
</style>
</head>
<body>
<h1>테이블의 열과 행 합치기</h1>
<table style="width:100%">
<tr>
<td colspan="6">1</td>
</tr>
<tr>
<td colspan="6">2</td>
</tr>
<tr>
<td rowspan="3">3</td>
<td rowspan="3">4</td>
<td colspan="2">5</td>
<td>6</td>
<td>7</td>
</tr>
<tr>
<td colspan="3">8</td>
<td>9</td>
</tr>
<tr>
<td colspan="4">10</td>
</tr>
</table>
</body>
</html>