1 . 已知各项均为整数的等差数列
,若
,
,
,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086f7627ecc5df5a2ab07201b8732fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46efbcdf49c567b8cd9e1bbaa14ee365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bcd8a9ba1cf84f417fb9055b7c3737e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9dd56551121a5b88be4dc6910c9ec0.png)
您最近一年使用:0次
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2 . 若等差数列
满足
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700e6f3b40fc7bda75fc5a534d818cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
2022-06-22更新
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671次组卷
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2卷引用:2022年全国高中数学联赛江苏赛区苏州市选拔赛试题