| 标题 | 发布时间 | 回答数 | 提问者 |
|---|---|---|---|
| 为什么是这个老师n-1为啥 [数列] | 2022-11-09 | 1 | JD1***690 |
| 这个左边几个右边几个个数相等是不是都可 [数列] | 2022-11-08 | 1 | JD1***690 |
| 数列 [数列] | 2022-11-08 | 1 | JD1***971 |
| 如图 等比数列 [数列] | 2022-11-08 | 2 | sun***679 |
| 截图 [数列] | 2022-11-08 | 1 | biy*** |
| 递推公式一般都带有n一1或n＋1的下角 [数列] | 2022-11-08 | 1 | biy*** |
| 老师 [数列] | 2022-11-08 | 3 | cgc*** |
| 如图 [数列] | 2022-11-08 | 1 | JD1***184 |
| 老师，这里用基本不等式求解可以吗？ [数列] | 2022-11-08 | 2 | gfz*** |
| 老师为什么S6：S3=28能转化成1-q [数列] | 2022-11-08 | 1 | cgc*** |
| 数学 [数列] | 2022-11-08 | 1 | gap*** |
| 如果没首项1/4这句话，a2也可以是1 [数列] | 2022-11-08 | 3 | mig***428 |
| 老师新数列和原来的旧数列都是首相比第二 [数列] | 2022-11-07 | 1 | cgc*** |
| 老师 [数列] | 2022-11-07 | 4 | cgc*** |
| 老师，问题如图，麻烦讲慢点，最好手写哦 [数列] | 2022-11-07 | 1 | jea*** |
| 不太理解3n-1 [数列] | 2022-11-07 | 1 | jia*** |
| 有一个界算不算有界数列，比如12345 [数列] | 2022-11-07 | 5 | JD1***308 |
| 老师 [数列] | 2022-11-07 | 1 | cgc*** |
| 等差数列 [数列] | 2022-11-07 | 1 | yan***842 |
| 为啥an不是表达式分母不除2吗那为啥是 [数列] | 2022-11-07 | 1 | JD1***905 |
