1 . 若直线
与函数
的图象相邻的两个交点之间的距离为1,则函数
图象的对称中心为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74fd951c20c28d14c94355e4d2d7eec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1efc2cd3b69d1acaf15cd7c679bea59c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d704b655c7f31a0428cc75c531f782.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-07-25更新
|
430次组卷
|
2卷引用:河南省驻马店市2018-2019学年高一下学期期末数学(理)试题
13-14高二上·北京·阶段练习
2 . 已知函数
.项数为27的等差数列
满足
,且公差
.若
,则当
=_____ 时,
.
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/075d7dd4901f45dab2296e087b09aab8.png?resizew=128)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/1ec4034d57d0415e918414717cdfe7f5.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/7a0cb9801ea64fec9823a401909d56bf.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/6d4e9a7ef73d4fe0a3cc7f0eeddec446.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/b89f23bc7123425b89dba18c4c7e50da.png?resizew=207)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/c27ecba544ff40f0959a4c0cf2c588a3.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2014/12/29/1571939475161088/1571939480920064/STEM/094d1692043c4157980fd63bd900606c.png?resizew=68)
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