<p><a href="https://drive.google.com/file/d/1ncpKHQc958r2x2lzkic6B3zo_x1-7Hf0/view?…àm bài 4 và 5 nhé</p>

<p><a href="https://docs.google.com/document/d/1awX97taru1BdPR_n9RXaMsGm1loclZv8/ed…;

<p>Làm bài 6,7,8</p>