| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 2021-12-18 | 1 | ||
| 如果x取-2,那x也是小于1的,可是x [简易逻辑] | 2021-12-18 | 1 | |
| 2021-12-17 | 1 | ||
| 2021-12-17 | 1 | ||
| 2021-12-17 | 1 | ||
| 2021-12-17 | 1 | ||
| 老师这个为什么是等比数列呢,并且怎么看 [数列] | 2021-12-17 | 1 | |
| 怎么算出来的? [数列] | 2021-12-17 | 1 | |
| 老师您好,能不能用a1+8d和a1+2 [数列] | 2021-12-17 | 4 | |
| 怎么看出来他是等差数列的 [数列] | 2021-12-17 | 1 | |
| 2021-12-17 | 3 | ||
| 2021-12-17 | 1 | ||
| 2021-12-17 | 3 | ||
| 2021-12-17 | 1 | ||
| 2021-12-17 | 1 | ||
| 1+4+7+……+(3n+4)+(3n [数列] | 2021-12-17 | 1 | |
| 本章测试卷以及答案 多发几套 谢谢老师 [方法与资料] | 2021-12-17 | 1 | |
| 2021-12-17 | 1 | ||
| 2021-12-17 | 1 | ||
| 点坐标和向量坐标什么区别。 [立体几何] | 2021-12-17 | 1 |

