名校
1 . 已知等差数列
的公差为
,集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9851d27e196b10d5b5b12372b9de5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6816fc7e93caed617d5b37808ae50f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
A.![]() | B.![]() | C.0 | D.![]() |
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2023-11-15更新
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610次组卷
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2卷引用:陕西省渭南市富平县2024届高三上学期摸底考试理科数学试题
2 . 在数列
中,a4=1,a11=9,且任意连续三项的和均为15.则a2016=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
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