a=5b hoặc a=-b/5 là do chia cả 2 vế cho a² và lấy b/a làm ẩn bấm máy tính ra 2 nghiệm

1. International market with many different names such as Lam Ap, Faifo, Hoai Pho and Hoi An.

2. This little port town is in an incredible state of preservation.

3. More than a thousand.

4. In Minh An Ward.

5. With traditional materrials such as: brick, wood.