<p><a href="https://drive.google.com/file/d/1lvjpz8Q9Ygb6JFV8DpmpfStvzDqlSYSy/view?…àm bài 15-20</p>

<p>Viết đủ 11 phương trình, dựa vào chữ phía trên</p><figure class="image"><img src="https://biteducation.easyedu.vn/sites/default/files/easyschool/upload/2…;

<p>https://docs.google.com/document/d/17vwk9M5y5tyXIiBbIt5_dDq57Ta7gg7F8lq…;