站數(shù) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
上車人數(shù) | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
下車人數(shù) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
車上人數(shù) | 9 | 16 | 21 | 24 | 25 | 24 | 21 | 16 | 9 | 0 |
答:這輛公共汽車至少要有25座位.
站數(shù) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
上車人數(shù) | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
下車人數(shù) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
車上人數(shù) | 9 | 16 | 21 | 24 | 25 | 24 | 21 | 16 | 9 | 0 |