<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/1Xc7LYZeEIyc8CgWIyPAThlVYYWb5QgR4/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/1FAIpQLSdavBc2Fem_ac5A48lvWqJHQXsWCcktESTsHDqcPw5q8xBG7Q/viewform?embedded=true" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>
<center><font color="blue">Thiết kế: TOKIDO </font></center>
</th>
</tr>
</table>
</center>
</body>
</html>