| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 2020-10-06 | 1 | ||
| 什么是液体,固体,气体 [压强和浮力] | 2020-10-06 | 1 | |
| 2020-10-06 | 1 | ||
| 2020-10-06 | 1 | ||
| 2020-10-06 | 3 | ||
| 2020-10-06 | 3 | ||
| 2020-10-06 | 3 | ||
| 2020-10-06 | 3 | ||
| 2020-10-06 | 1 | ||
| 声波 [质量和密度] | 2020-10-06 | 1 | |
| 2020-10-06 | 1 | ||
| 2020-10-06 | 1 | ||
| 2020-10-06 | 1 | ||
| 2020-10-06 | 1 | ||
| 介质是什么 [力和运动] | 2020-10-06 | 1 | |
| 2020-10-06 | 5 | ||
| 2020-10-06 | 1 | ||
| 2020-10-06 | 2 | ||
| 老师,画横线的那一步没有看懂 [质量和密度] | 2020-10-06 | 3 | |
| 老师,笛子有许多孔,不同的孔,发出的声 [压强和浮力] | 2020-10-06 | 2 |

