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Correct!

题目：

Apply subscript formatting to the number "2" in the text below.

提示：Use the <sub> element.

修改以下代码：

效果预览：

答案：

效果预览：

HTML 属性

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 再去学一下教程

HTML 标题

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML 段落

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML 内联样式表

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 再去学一下教程

HTML 文本格式

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 再去学一下教程

HTML 引用

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML 代码显示

Exercise 1 Exercise 2 Exercise 3 再去学一下教程

HTML 注释

Exercise 1 Exercise 2 再去学一下教程

HTML 内部样式表

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 再去学一下教程

HTML 超链接

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 再去学一下教程

HTML 图像

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 再去学一下教程

HTML 表格

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 再去学一下教程

HTML 列表

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 再去学一下教程

HTML 类

Exercise 1 Exercise 2 Exercise 3 再去学一下教程

HTML 框架

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML JS入门

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML 表单入门

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程

HTML 表单组件

Exercise 1 Exercise 2 Exercise 3 再去学一下教程

HTML 输入组件

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 再去学一下教程

HTML 输入组件属性

Exercise 1 Exercise 2 Exercise 3 Exercise 4 再去学一下教程