72 : 9 = ...4 × 9 = ...9 × 2 = ...24 : 6 = ...6 × 7 = ...36 : 6 = ...3 × 5 = ...56 : 7 = ...6 × 9 = ...18 : 2 = ...
Giải thích
72 : 9 = 8 | 4 × 9 = 36 | 9 × 2 = 18 | 24 : 6 = 4 | 6 × 7 = 42 |
36 : 6 = 6 | 3 × 5 = 15 | 56 : 7 = 8 | 6 × 9 = 54 | 18 : 2 = 9 |
32 : 8 = 4 | 7 × 5 = 35 | 45 : 5 = 9 | 3 × 6 = 18 | 16 : 4 = 4 |
63 : 7 = 9 | 8 × 4 = 32 | 42 : 6 = 7 | 5 × 3 = 15 | 12 : 3 = 4 |
48 : 8 = 6 | 9 × 6 = 54 | 3 × 7 = 21 | 20 : 4 = 5 | 7 × 6 = 42 |
28 : 4 = 7 | 2 × 8 = 16 | 64 : 8 = 8 | 5 × 6 = 30 | 27 : 9 = 3 |
40 : 5 = 8 | 3 × 4 = 12 | 54 : 6 = 9 | 9 × 5 = 45 | 30 : 5 = 6 |
18 : 6 = 3 | 8 × 7 = 56 | 4 × 2 = 8 | 21 : 3 = 7 | 5 × 9 = 45 |