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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| 97 - 72 = | 54 + 25 = | 13 + 84 = | 11 + 68 = |
| 49 + 49 = | 23 + 40 = | 21 + 58 = | 86 - 75 = |
| 47 - 12 = | 68 + 30 = | 49 - 28 = | 20 + 77 = |
| 46 - 32 = | 72 - 66 = | 58 + 42 = | 37 + 33 = |
| 34 + 16 = | 68 + 22 = | 29 - 24 = | 13 + 66 = |
| 79 - 67 = | 62 + 38 = | 62 - 36 = | 80 + 19 = |
| 97 - 88 = | 13 + 52 = | 96 - 67 = | 68 + 14 = |
| 20 + 67 = | 49 + 11 = | 44 + 18 = | 53 - 35 = |
| 80 - 53 = | 30 + 32 = | 11 + 83 = | 47 - 29 = |
| 90 - 64 = | 40 + 45 = | 39 - 38 = | 25 + 19 = |
| 63 - 57 = | 51 + 38 = | 97 - 60 = | 60 - 13 = |
| 100 - 62 = | 65 - 51 = | 18 + 71 = | 71 - 65 = |
| 88 - 82 = | 61 - 34 = | 18 + 12 = | 69 - 48 = |
| 75 + 17 = | 95 - 49 = | 99 - 58 = | 58 + 27 = |
| 28 + 24 = | 39 + 31 = | 11 + 73 = | 91 - 54 = |
| 38 + 15 = | 60 - 42 = | 100 - 22 = | 85 - 42 = |
| 11 + 18 = | 48 + 45 = | 69 - 56 = | 88 - 46 = |
| 11 + 75 = | 89 - 78 = | 94 - 25 = | 38 + 34 = |
| 47 + 46 = | 27 + 23 = | 54 + 28 = | 59 + 41 = |
| 80 - 51 = | 20 + 79 = | 38 + 36 = | 91 - 50 = |
| 97 - 79 = | 46 + 44 = | 34 - 30 = | 83 - 56 = |
| 93 - 16 = | 64 - 21 = | 98 - 89 = | 94 - 63 = |
| 20 + 39 = | 67 - 45 = | 72 + 17 = | 91 - 87 = |
| 65 - 22 = | 48 + 26 = | 92 - 28 = | 95 - 20 = |
| 90 - 33 = | 49 + 47 = | 74 + 23 = | 34 + 64 = |
消防员爸爸