0;2 ban nhe

1. Yesterday was colder than today.

2. Salim is the most beautiful in her team.

3. His house is the highest house in my city.

4.No one in her class is more intelligent than Lan

8. BJ isthe greatest tennis player in the world.

Cho tam giác ABC nội tiếp (O;R). Đường cao AD, BE, CF, trực tâm H. M, N là trung điểm BF, CE. Chứng minh: A, M, D, N đồng viên.

em dang can rat gap a. cam on moi nguoi