| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 老师,这里为什么等于负的五分之二呢,不 [数与式] | 2019-12-08 | 1 | |
| (4x_2y)"2".(4x+2y)" [数与式] | 2019-12-08 | 1 | |
| 老师直接还原也行 [不确定] | 2019-12-08 | 3 | |
| 2019-12-08 | 1 | ||
| 2019-12-08 | 7 | ||
| 2019-12-08 | 1 | ||
| 老师能不能举例将讲一下十字相乘法 [方程(组)与不等式(组)] | 2019-12-08 | 1 | |
| 2019-12-08 | 4 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 3 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 前面加了符号,不是整个值都变了吗? [数与式] | 2019-12-08 | 1 | |
| 2019-12-08 | 1 | ||
| 2019-12-08 | 1 | ||
| 2019-12-08 | 4 |

