Question

[Pham Trong Bach]

Tính (theo mẫu):

Mẫu: 9dam + 4dam = 13dam        18hm – 6hm = 12hm

      6 dam + 15dam = .....dam       16hm – 9hm = .....hm

      52dam + 37dam = .....dam       76dam – 25dam = .....dam

      48dam + 23dam = .....dam       63hm – 18hm = .....hm

Answer 1

[Cao Minh Tâm]

6 dam + 15dam = 21dam       16hm – 9hm = 7hm

      52dam + 37dam = 89dam       76dam – 25dam = 51 dam

      48dam + 23dam = 71dam       63hm – 18hm = 45hm