名校
1 . 在等差数列
中,
,则数列
的前11项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30eb42578f654fb61e826026d2199751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd78205a4d989e626703d479ed70c03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30eb42578f654fb61e826026d2199751.png)
A.8 | B.16 | C.22 | D.44 |
您最近一年使用:0次
2019-01-15更新
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1991次组卷
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8卷引用:2020届重庆市云阳江口中学高三上学期第三次月考数学(文)试卷