| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 老师,b²(x-2)+b(2-x)的公 [数与式] | 2021-09-01 | 3 | |
| 2021-09-01 | 3 | ||
| 2021-09-01 | 3 | ||
| 2021-09-01 | 1 | ||
| 2021-08-31 | 5 | ||
| 2021-08-31 | 1 | ||
| 2021-08-31 | 1 | ||
| 2021-08-31 | 1 | ||
| 老师,请问99³-99=99×99²- [数与式] | 2021-08-31 | 1 | |
| 老师您为什么不用尺子量 [方法与资料] | 2021-08-31 | 1 | |
| 为什么这里的(1+x)可以变成下面这样 [数与式] | 2021-08-31 | 3 | |
| 2021-08-31 | 4 | ||
| 2021-08-31 | 1 | ||
| 2021-08-31 | 3 | ||
| 2021-08-31 | 1 | ||
| 2021-08-31 | 1 | ||
| 2021-08-31 | 3 | ||
| 如图,谢谢老师解答!!! [几何图形的初步认识] | 2021-08-31 | 3 | |
| 2021-08-31 | 3 | ||
| 2021-08-31 | 3 |

