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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| 304 × 9 = | 831 × 9 = | 540 × 9 = | 327 × 4 = |
| 561 × 6 = | 305 × 7 = | 717 × 8 = | 450 × 7 = |
| 580 × 5 = | 197 × 8 = | 275 × 3 = | 158 × 7 = |
| 631 × 5 = | 960 × 6 = | 397 × 3 = | 482 × 4 = |
| 690 × 2 = | 903 × 4 = | 188 × 7 = | 708 × 4 = |