| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 公式 [数列] | 2023-01-15 | 4 | ******93197 |
| 怎么算呢 [数列] | 2023-01-15 | 1 | ******537769511604 |
| 老师如果这样递乘求的话，最后是图上的式子 [数列] | 2023-01-15 | 3 | ******m022017 |
| 老师看看我的问题 [数列] | 2023-01-15 | 1 | ******aiyang20050224 |
| 不太理解，能详细讲讲么 [数列] | 2023-01-15 | 1 | ******ba |
| 老师s2,s4－s2,s6－s4公差为 [数列] | 2023-01-13 | 1 | ******aiyang20050224 |
| 谢谢 [数列] | 2023-01-13 | 1 | ******aiyang20050224 |
| 老师急 [数列] | 2023-01-13 | 1 | ******aiyang20050224 |
| 老师这一步如何算 [数列] | 2023-01-13 | 1 | ******jj |
| 退玛作差法可以再仔细的讲解一下吗 [数列] | 2023-01-11 | 1 | ******673278576553 |
| 见下图 [数列] | 2023-01-11 | 3 | ******194243 |
| 见下图 [数列] | 2023-01-11 | 3 | ******194243 |
| 数列 [数列] | 2023-01-11 | 6 | ******194243 |
| 老师为什么上面是n-1下面是2n-1 [数列] | 2023-01-10 | 1 | ******280267756481 |
| 数学 [数列] | 2023-01-09 | 1 | ******502554956035 |
| 数学 [数列] | 2023-01-09 | 1 | ******502554956035 |
| 见下图 [数列] | 2023-01-07 | 3 | ******194243 |
| 老师，为什么会想到取倒数 [数列] | 2023-01-07 | 3 | ******io |
| 为什么是n+1项没懂 [数列] | 2023-01-07 | 1 | ******005425 |
| 如图 [数列] | 2023-01-05 | 3 | ******952962685803 |
