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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| 100 - 86 = | 3 × 1 = | 23 + 18 = | 10 ÷ 5 = |
| 15 ÷ 3 = | 65 - 26 = | 79 - 1 = | 3 ÷ 3 = |
| 69 - 48 = | 70 + 6 = | 94 - 47 = | 51 - 46 = |
| 32 + 7 = | 93 - 2 = | 47 + 43 = | 57 - 3 = |
| 37 + 17 = | 1 × 5 = | 78 + 14 = | 5 × 5 = |
| 2 × 3 = | 15 ÷ 5 = | 4 × 1 = | 39 + 34 = |
| 24 ÷ 6 = | 2 × 5 = | 6 × 3 = | 83 - 77 = |
| 30 + 69 = | 90 - 32 = | 90 - 15 = | 6 × 1 = |
| 10 ÷ 5 = | 68 + 32 = | 46 + 38 = | 80 - 71 = |
| 12 ÷ 6 = | 5 + 72 = | 10 ÷ 5 = | 12 + 73 = |
| 2 × 4 = | 48 + 42 = | 5 × 2 = | 66 - 65 = |
| 6 ÷ 6 = | 3 × 2 = | 12 ÷ 3 = | 1 × 2 = |
| 93 - 69 = | 18 ÷ 3 = | 89 + 11 = | 53 + 28 = |
| 91 - 83 = | 12 ÷ 4 = |
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