| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 图 [数列] | 2024-10-23 | 3 | JD1***211 |
| 没懂 [数列] | 2024-10-23 | 1 | zzy***023 |
| 数学与 [数列] | 2024-10-23 | 1 | Hdj*** |
| 老师好 [数列] | 2024-10-22 | 1 | sqj*** |
| 为啥要相减啊？ [数列] | 2024-10-21 | 1 | a15***067 |
| 哪来的16？ [数列] | 2024-10-21 | 1 | a15***067 |
| 数列 [数列] | 2024-10-21 | 1 | a15***691 |
| 如上这样写可以吗 [数列] | 2024-10-20 | 1 | dep*** |
| 相邻的偶数项的和为等差数列。这个是只有 [数列] | 2024-10-20 | 1 | jdh***kel |
| 为什么1/2为d？ [数列] | 2024-10-20 | 1 | bcf*** |
| 这个怎么求 [数列] | 2024-10-20 | 1 | a13***773 |
| 答案那个数怎么出来的啊 [数列] | 2024-10-20 | 2 | a13***773 |
| 这里为啥是2，根据等比数列求和公式，这 [数列] | 2024-10-20 | 1 | jdf***sug |
| 公比 [数列] | 2024-10-20 | 1 | JD1***501 |
| 怎么由公式推导图像 [数列] | 2024-10-19 | 1 | klm*** |
| 等差数列 [数列] | 2024-10-19 | 1 | a13***695 |
| 等差数列 [数列] | 2024-10-19 | 1 | a13***695 |
| 5、6题 [数列] | 2024-10-19 | 1 | a18***027 |
| 数列求和 [数列] | 2024-10-19 | 1 | JD1***497 |
| 数列求和 [数列] | 2024-10-19 | 1 | JD1***497 |
