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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| 45 + 9 × 2 = | 9 × 4 + 31 = | 36 - 3 × 7 = | 57 + 3 × 4 = |
| 92 - 3 × 6 = | 4 × 7 + 67 = | 93 - 6 × 8 = | 49 - 7 × 7 = |
| 6 × 2 - 11 = | 70 - 8 × 5 = | 96 - 7 × 8 = | 4 × 8 - 21 = |
| 9 × 8 + 16 = | 97 - 8 × 5 = | 20 + 9 × 8 = | 9 × 7 + 32 = |
| 4 × 9 + 46 = | 4 × 3 - 11 = | 8 × 2 + 29 = | 67 - 4 × 8 = |
| 50 + 2 × 6 = | 8 × 7 - 42 = | 6 × 9 + 23 = | 83 - 3 × 9 = |
| 8 × 2 + 52 = | 59 - 4 × 8 = | 51 + 5 × 6 = | 6 × 8 - 29 = |
| 9 × 7 - 32 = | 3 × 7 - 18 = | 4 × 3 - 11 = | 93 - 7 × 7 = |
| 10 + 9 × 6 = | 3 × 6 - 17 = | 59 + 3 × 9 = | 62 + 7 × 2 = |
| 10 + 9 × 3 = | 6 × 5 + 39 = | 3 × 6 + 26 = | 72 - 3 × 6 = |
| 25 + 6 × 2 = | 34 - 3 × 8 = | 7 × 9 - 28 = | 6 × 7 - 35 = |
| 6 × 9 - 35 = | 77 - 5 × 4 = | 7 × 5 - 11 = | 49 - 5 × 5 = |
| 6 × 5 - 13 = | 34 - 5 × 4 = | 7 × 5 - 23 = | 6 × 3 - 12 = |
| 18 + 8 × 8 = | 4 × 9 + 41 = | 4 × 6 + 23 = | 9 × 9 + 18 = |
| 54 + 5 × 7 = | 93 - 2 × 8 = | 3 × 6 + 58 = | 62 - 6 × 8 = |
| 32 - 4 × 6 = | 4 × 9 + 28 = | 11 + 6 × 4 = | 2 × 9 - 11 = |
| 68 - 5 × 7 = | 5 × 5 - 22 = | 61 - 9 × 2 = | 6 × 3 + 71 = |
| 69 - 6 × 9 = | 8 × 5 - 11 = | 9 × 3 + 36 = | 17 - 3 × 5 = |
| 66 + 9 × 2 = | 52 - 7 × 3 = | 26 + 4 × 4 = | 82 - 8 × 6 = |
| 4 × 7 - 17 = | 5 × 7 - 34 = | 30 + 5 × 9 = | 21 + 3 × 7 = |
| 79 - 6 × 4 = | 4 × 9 - 24 = | 36 + 4 × 6 = | 4 × 5 - 16 = |
| 8 × 8 - 42 = | 68 - 2 × 6 = | 66 - 4 × 9 = | 5 × 3 + 66 = |
| 54 + 9 × 4 = | 66 - 7 × 6 = | 22 - 4 × 3 = | 8 × 4 + 11 = |
| 49 - 6 × 6 = | 51 + 6 × 3 = | 7 × 2 + 63 = | 8 × 5 + 15 = |
| 8 × 5 - 20 = | 6 × 6 - 21 = | 58 + 5 × 7 = | 3 × 4 + 77 = |
消防员爸爸