<html>
<head>
<title>Bài tập trắc nghiệm</title>
<meta charset="utf-8">
</head>
<body>
<center>
<table border="0">
<tr>
<th><iframe src="https://drive.google.com/file/d/1U-qh0w5EM8X98YOwns5dtNkeBCQuDmmP/preview" width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>
</th>
<th>ocs.google.com
<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSeACgg7XbjWeVR4Bd7GpZulrRixoaiY3k1OBmryuJ2aFZNjnA/viewform?embedded=true" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>
<center><font color="blue">Giáo viên: Rơ Ô Khuynh </font></center>
</th>
</tr>
</table>
</center>
</body>
</html>