| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 咋做 [数列] | 3小时前 | 1 | ******138039945041 |
| 老师能给我总结一下数列大题的题型和方法吗 [数列] | 3小时前 | 1 | ******832630943753 |
| 如图 [数列] | 2026-01-20 | 1 | ******783316 |
| 等差数列前n项和为Sn，S4=4S2,a [数列] | 2026-01-20 | 1 | ******783316 |
| 这个题怎么做 [数列] | 2026-01-20 | 1 | qh7085 |
| 练习 [数列] | 2026-01-19 | 1 | ******832630943753 |
| 不会 [数列] | 2026-01-19 | 1 | ******377366 |
| 没什么思路 [数列] | 2026-01-19 | 1 | ******251018014 |
| 没什么思路 [数列] | 2026-01-19 | 1 | ******251018014 |
| 第二问怎么写 [数列] | 2026-01-19 | 1 | ******251018014 |
| 2见下图 [数列] | 2026-01-19 | 1 | ******832630943753 |
| 3见下图 [数列] | 2026-01-19 | 1 | ******832630943753 |
| 例2 [数列] | 2026-01-19 | 1 | ******832630943753 |
| 2见下图 [数列] | 2026-01-19 | 6 | ******832630943753 |
| 就是无论多少项还是角标都相等，都是把他 [数列] | 2026-01-19 | 3 | ******554366259415 |
| 为什么要这样写啊 [数列] | 2026-01-19 | 1 | ******200744784539 |
| 怎么做 [数列] | 2026-01-18 | 1 | ******280766 |
| 18怎么构造啊 [数列] | 2026-01-18 | 1 | ******4487233 |
| 数列好难啊啊 [数列] | 2026-01-18 | 1 | ******221550367395 |
| 不会 [数列] | 2026-01-17 | 1 | ******925899 |
