Question

Tính (theo mẫu):   

Mẫu: 2 kg × 4 = 8 kg

2 kg × 6                                  2 cm × 8                     2 l  × 7

2 kg × 10                                2 dm × 9                     2 l × 5

Answer 1

2 kg × 6 = 12 kg                    2 cm × 8 = 16 cm                  2 l  × 7 = 14 l

2 kg × 10 = 20 kg                 2 dm × 9 = 18 kg                  2 l × 5 = 10 kg