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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| 59 × 98 = | 100 × 76 = | 75 × 89 = | 76 × 100 = |
| 34 × 48 = | 59 × 72 = | 73 × 98 = | 54 × 23 = |
| 65 × 55 = | 72 × 38 = | 79 × 12 = | 79 × 65 = |
| 21 × 78 = | 47 × 72 = | 32 × 26 = | 97 × 13 = |
| 52 × 19 = | 27 × 53 = | 53 × 82 = | 57 × 44 = |
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