跟着消防员爸爸学习C++编程与算法(请备注算法学习)
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| 26 × 70 = | 19 × 70 = | 11 × 40 = | 97 × 30 = |
| 42 × 70 = | 24 × 40 = | 38 × 30 = | 63 × 60 = |
| 75 × 60 = | 59 × 70 = | 94 × 90 = | 12 × 40 = |
| 75 × 60 = | 67 × 90 = | 67 × 60 = | 89 × 50 = |
| 42 × 80 = | 98 × 20 = | 75 × 50 = | 65 × 70 = |