| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 为什么不能使用等差数列公式 [数列] | 2026-04-07 | 1 | jd1***682 |
| 给我讲解一下这道题尽快 [数列] | 2026-04-06 | 3 | wan***985 |
| 等差数列如何求极值？ [数列] | 2026-04-06 | 1 | JD1***499 |
| 累加法怎么求an [数列] | 2026-03-31 | 1 | JD1***384 |
| 第一小问怎么证? [数列] | 2026-03-29 | 1 | G13***792 |
| 不会写 [数列] | 2026-03-26 | 1 | JD1***332 |
| 不会写 [数列] | 2026-03-26 | 1 | JD1***332 |
| 不会写 [数列] | 2026-03-26 | 1 | JD1***332 |
| 解答 [数列] | 2026-03-26 | 1 | aje*** |
| CD选项 [数列] | 2026-03-25 | 1 | JD1***634 |
| 我哪里做错了 [数列] | 2026-03-18 | 1 | ifo*** |
| 第二问咋做 [数列] | 2026-03-16 | 1 | JD1***530 |
| 数列 [数列] | 2026-03-16 | 1 | JD1***175 |
| ai解答用三种方法详细解答 [数列] | 2026-03-15 | 1 | Ygz*** |
| 详细解答用三种方法 [数列] | 2026-03-15 | 1 | Ygz*** |
| 数列 [数列] | 2026-03-15 | 5 | JD1***175 |
| 数列(2n-1)乘(3的n次方)的前n项 [数列] | 2026-03-15 | 1 | a15***671 |
| 函数为奇函数，求a和b的值 [数列] | 2026-03-14 | 1 | JD1***293 |
| 怎么解 [数列] | 2026-03-11 | 1 | a15***156 |
| 详细 [数列] | 2026-03-09 | 1 | h* |
