<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/1C6mPCixclrVtgvQGRzgJ_FLyGubbugR2/view?usp=sharing" width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe></th><th><iframe src="<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSez6muD85KHmaf5xASf45XsNu4Fq6IPxTYaGNeXN2v9mwMAOA/viewform?embedded=true" width="640" height="2485" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe><center><font color="blue">Giáo viên: Đặng Xuân Chất </font></center></th></tr></table></center></body></html>