<html><head><title>Bài tập trắc nghiệm</title><meta charset="utf-8"/><meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, user-scalable=yes"><body><center><table border="0"><tbody><tr><th><iframe src="https://drive.google.com/file/d/1GjEE__VqGWFWwhKCSepLr6oaiU5ckK2i/preview"width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe></th><th><iframe src="https://docs.google.com/forms/d/e/1FAIpQLSdnYZtED9EUmYg1JZrM5303gmIvY1J1I5c_EwygKPKqWCi33w/viewform?embedded=true"width="360" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe><center><font color="blue">Thiết kế: Lê Tuấn Khải </font></center></th></tr></tbody></table></center></body></html>