| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 图中 [数列] | 2021-01-17 | 1 | |
| 这是怎么得到的，麻烦老师写下详细过程 [数列] | 2021-01-15 | 1 | |
| 老师，怎么求a1+。。。+An中有多少对 [数列] | 2021-01-12 | 1 | |
| 如图 [数列] | 2021-01-12 | 1 | |
| 如图 [数列] | 2021-01-12 | 1 | |
| 如图 [数列] | 2021-01-12 | 1 | |
| 如图 [数列] | 2021-01-12 | 3 | |
| 老师看图 [数列] | 2021-01-12 | 3 | |
| (an-1)2是减去1之后等于2+3+4 [数列] | 2021-01-11 | 4 | |
| 数列 [数列] | 2021-01-09 | 1 | |
| 这个怎么得来的？ [数列] | 2021-01-09 | 1 | |
| 如图 [数列] | 2021-01-09 | 1 | |
| 数列——常数列的判定 [数列] | 2021-01-06 | 2 | |
| 老师，麻烦你解释下倒序相加呗 [数列] | 2021-01-06 | 2 | |
| 是什么意思老师 [数列] | 2021-01-01 | 1 | |
| 不懂 [数列] | 2020-12-29 | 2 | |
| 见上方 [数列] | 2020-12-29 | 2 | |
| 已知sn=2n-1，证明s1+1/2 s2+1/3 s3......1/n sn [数列] | 2020-12-27 | 1 | |
| 老师，怎么找函数对应的不动点 [数列] | 2020-12-26 | 1 | |
| 老师，不懂A2017=A1，A2017- [数列] | 2020-12-26 | 4 |
