Question

[Minh Lệ]

Tính (theo mẫu): 

Answer 1

[Hà Quang Minh]

2 + 0 = 2                      5 + 0 = 5                      0 + 1 = 1

4 + 0 = 4                      6 + 0 = 6                      0 + 3 = 3