3 × 8 = ...5 × 7 = ...9 × 2 = ...4 × 6 = ...8 × 5 = ...7 × 3 = ...6 × 9 = ...2 × 5 = ...8 × 4 = ...3 × 7 = ...
Giải thích
3 × 8 = 24 | 5 × 7 = 35 | 9 × 2 = 18 | 4 × 6 = 24 | 8 × 5 = 40 |
7 × 3 = 21 | 6 × 9 = 54 | 2 × 5 = 10 | 8 × 4 = 32 | 3 × 7 = 21 |
5 × 9 = 45 | 4 × 2 = 8 | 6 × 3 = 18 | 7 × 8 = 56 | 9 × 5 = 45 |
2 × 9 = 18 | 8 × 7 = 56 | 3 × 4 = 12 | 5 × 6 = 30 | 6 × 2 = 12 |
9 × 3 = 27 | 7 × 6 = 42 | 4 × 5 = 20 | 2 × 8 = 16 | 8 × 9 = 72 |