原文地址和代碼：
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代碼：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>合併單元格</title>
<style>
table,
table tr th,
table tr td {
border: 1px solid #000000;
margin: 0;
padding: 50px;
/* 合併邊框 */
border-collapse: collapse;
}
</style>
</head>
<body>
<div>
<table>
<caption>食物鏈頂端</caption>
<tr>
<th>水果</th>
<th>蔬菜</th>
<th>肉類</th>
</tr>
<tr>
<td colspan="2">蘋果</td>
<td>菠菜</td>
</tr>
<tr>
<td>橙子</td>
<td rowspan="2">菜花</td>
<td>牛肉</td>
</tr>
<tr>
<td>香梨</td>
<td>羊肉</td>
</tr>
</table>
</div>
</body>
</html>
