<p>ÔN TẬP</p>

<p>Học thuộc các nhóm chức nhé</p><figure class="image"><img src="https://biteducation.easyedu.vn/sites/default/files/easyschool/upload/2…;

<p>https://docs.google.com/document/d/15RQ4htjEhGy6ycDAiQvnUPlMkpBhhv9Bn61…;

<p>hth</p>

<p>https://drive.google.com/file/d/157LqXSWTVjUGHT3z9hGNJJPZ6DNR92E9/view?…;