<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/10hmuU8SnFkYRY0y4e6MSNn-nmg4KHyzW/preview" width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe></th><th><iframe src="https://forms.office.com/Pages/ResponsePage.aspx?id=RtOV3y8qmkaArpcJTj1vAa2WsuxFOvBLsKPxZd-RfglUMEtYTEFaTTc5UlNHVFJLN0lEMzNCQ0paOS4u&embed=true" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe><center><font color="blue">Thiết kế: Trần Văn Huy </font></center></th></tr></table></center></body></html>