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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| 74 - 36 = | 70 - 68 = | 90 - 85 = | 100 - 65 = |
| 70 - 69 = | 61 - 34 = | 22 - 14 = | 74 - 37 = |
| 95 - 88 = | 76 - 57 = | 83 - 15 = | 52 - 26 = |
| 62 - 39 = | 94 - 49 = | 82 - 78 = | 91 - 63 = |
| 88 - 79 = | 54 - 46 = | 100 - 81 = | 90 - 36 = |
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