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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| ( ) × 4 = 24 | 7 × ( ) = 35 | ( ) × 4 = 32 | 2 × ( ) = 18 |
| 5 × ( ) = 30 | 7 × ( ) = 21 | 2 × ( ) = 2 | ( ) × 6 = 6 |
| 2 × ( ) = 14 | ( ) × 4 = 24 | ( ) × 9 = 63 | 2 × ( ) = 2 |
| ( ) × 3 = 6 | ( ) × 1 = 6 | ( ) × 4 = 28 | ( ) × 9 = 36 |
| 7 × ( ) = 35 | 4 × ( ) = 12 | 6 × ( ) = 48 | 9 × ( ) = 63 |
| 3 × ( ) = 3 | ( ) × 1 = 6 | ( ) × 2 = 4 | ( ) × 3 = 18 |
| ( ) × 4 = 36 | 3 × ( ) = 6 | 8 × ( ) = 8 | ( ) × 2 = 4 |
| ( ) × 2 = 10 | 6 × ( ) = 36 | 9 × ( ) = 81 | 2 × ( ) = 16 |
| ( ) × 6 = 54 | ( ) × 2 = 6 | ( ) × 4 = 16 | 7 × ( ) = 28 |
| ( ) × 3 = 12 | ( ) × 5 = 20 | ( ) × 8 = 40 | 9 × ( ) = 9 |
| ( ) × 3 = 24 | 5 × ( ) = 10 | 2 × ( ) = 4 | ( ) × 7 = 49 |
| ( ) × 2 = 10 | ( ) × 3 = 6 | 8 × ( ) = 72 | 2 × ( ) = 16 |
| 5 × ( ) = 20 | ( ) × 1 = 5 | 3 × ( ) = 15 | 9 × ( ) = 9 |
| ( ) × 7 = 14 | ( ) × 3 = 27 | 8 × ( ) = 40 | 7 × ( ) = 14 |
| ( ) × 3 = 6 | 3 × ( ) = 9 | ( ) × 7 = 63 | 2 × ( ) = 14 |
| ( ) × 6 = 30 | ( ) × 3 = 18 | 5 × ( ) = 5 | 5 × ( ) = 25 |
| 1 × ( ) = 7 | 8 × ( ) = 16 | 6 × ( ) = 24 | 7 × ( ) = 14 |
| ( ) × 4 = 4 | 7 × ( ) = 14 | 4 × ( ) = 4 | 4 × ( ) = 24 |
| 6 × ( ) = 30 | ( ) × 3 = 9 | ( ) × 6 = 48 | 2 × ( ) = 12 |
| 2 × ( ) = 14 | 9 × ( ) = 9 | 6 × ( ) = 48 | ( ) × 3 = 9 |
| ( ) × 9 = 45 | ( ) × 2 = 16 | ( ) × 1 = 3 | 5 × ( ) = 20 |
| ( ) × 2 = 8 | ( ) × 6 = 42 | ( ) × 7 = 7 | ( ) × 1 = 3 |
| ( ) × 1 = 9 | 3 × ( ) = 9 | ( ) × 2 = 2 | 5 × ( ) = 10 |
| ( ) × 5 = 25 | 4 × ( ) = 20 | ( ) × 7 = 49 | ( ) × 9 = 9 |
| ( ) × 4 = 16 | ( ) × 5 = 35 | 1 × ( ) = 6 | ( ) × 2 = 12 |
消防员爸爸