Giới thiệu về bản thân
Thử phiên bản mới
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<p>Văn bản được <strong>in đậm</strong></p>
<p>Văn bản được <em>in nghiêng</em></p>
<p>Văn bản được <u>gạch chân</u></p>
<p>Văn bản được <mark>tô màu nền</mark></p>
<p>Văn bản được <del>gạch ngang</del></p>
<p>x<sup>2</sup> + 2x + 1</p>
<p>H2O</p>
<p>Văn bản được canh giữa</p>
<p>Nội dung ở dòng 1</p>
<p>Nội dung ở dòng 2</p>
<p>Văn bản giữ nguyên định dạng</p>
<p>Không cần dùng thẻ <br> để xuống dòng</p>
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