| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 老师 怎么推导通项公式和前n项和 [数列] | 2020-10-06 | 1 | JD1***241 |
| 怎么看出来的根据通项 [数列] | 2020-10-05 | 3 | jzj*** |
| 数列 [数列] | 2020-10-05 | 1 | xbw*** |
| 数列 [数列] | 2020-10-05 | 3 | xbw*** |
| 等差数列通项哪两种表示方法 [数列] | 2020-10-04 | 1 | hry*** |
| m+n=2k 时 如何求？ [数列] | 2020-10-04 | 1 | eik*** |
| 怎么写的 [数列] | 2020-10-04 | 1 | ckx*** |
| 怎么判断q能不能为1 [数列] | 2020-10-04 | 1 | ckx*** |
| 函数 [数列] | 2020-10-04 | 1 | aib*** |
| 函数 [数列] | 2020-10-04 | 3 | aib*** |
| 已知等比数列an满足公比不等于1，sn [数列] | 2020-10-04 | 3 | aib*** |
| a100怎么来的 [数列] | 2020-10-03 | 1 | JD1***181 |
| 老师你好同类题第二题 [数列] | 2020-10-02 | 1 | cyc***444 |
| 老师你好同类题第二题AN是怎么变的 [数列] | 2020-10-02 | 1 | cyc***444 |
| 能写下具体步骤不 [数列] | 2020-10-02 | 1 | ycy*** |
| 这个等比数列有数项公式吗，怎么查的n+1 [数列] | 2020-10-02 | 1 | yan***599 |
| n=2就没意义了吧？ [数列] | 2020-10-02 | 1 | a13***203 |
| 老师，这里没听懂，什么意思呀 [数列] | 2020-10-01 | 1 | ugg***hjk |
| 等和数列是啥 [数列] | 2020-10-01 | 1 | ugg***hjk |
| 老师你好同类题第一题最后的2分之根号2是 [数列] | 2020-10-01 | 1 | cyc***444 |
