| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 2020-08-02 | 1 | ||
| 2020-08-02 | 6 | ||
| 2020-08-02 | 1 | ||
| 为什么y可以直接换成x,老师这是什么操 [集合] | 2020-08-02 | 1 | |
| 2020-08-02 | 1 | ||
| 2020-08-02 | 1 | ||
| 老师,这步怎么来的,还是不太懂 [函数] | 2020-08-02 | 3 | |
| 2020-08-02 | 2 | ||
| 2020-08-02 | 1 | ||
| 2020-08-02 | 2 | ||
| 2020-08-02 | 1 | ||
| 2020-08-02 | 3 | ||
| 2020-08-02 | 2 | ||
| 2020-08-02 | 2 | ||
| 2020-08-02 | 2 | ||
| 2020-08-02 | 5 | ||
| 2020-08-02 | 1 | ||
| 老师,直接用(x1-x2)²不行吗 [函数] | 2020-08-02 | 5 | |
| 怎么样看这个题是数集还是点集? [集合] | 2020-08-02 | 1 | |
| 无 [三角函数] | 2020-08-02 | 1 |

