题型:单选题 题类:常考题 难易度:普通
所挂重量x(kg) | 0 | 0.5 | 1 | 1.5 | 2 |
弹簧总长度L(cm) | 20 | 21 | 22 | 23 | 24 |
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| 14 | 15 | 16 | 17 | 18 | 14.4 | 12 | 10.3 | 9 | 8 | 7.2 |
试题篮