Phan Thanh Tinh Coordinator
12/08/2017 at 10:05-
Đức Lê Minh 15/08/2017 at 20:01M moves on average line of \(\Delta ABC\) which is matched from the midpoint of AB to the midpoint of BC
M moves on average line of \(\Delta ABC\) which is matched from the midpoint of AB to the midpoint of BC