设
,
,映射
满足对任意的
,
为奇数,则这样的映射的个数为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36113af7d0b0b4cf823babb95fb7536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f78353c3dda6a9819af9c51fd86352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a662f934b3bf3ad6f1f1414fedb381d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debd359e7072975f6be423f8c1824034.png)
A.80 | B.100 | C.250 | D.625 |
2007高三·甘肃·竞赛 查看更多[1]
(已下线)2007年全国高中数学联赛甘肃赛区预赛试题
更新时间:2018-12-22 08:35:09
|
【知识点】 函数与映射
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单选题
|
适中
(0.65)
【推荐1】
是定义在
上的函数,对任意
,有
.记
(
).则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5bd4618f5342881d8e8aa72eefa190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599841a92584c9762f3b147e7c68549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a9c4d1ac7ebd56bd164748bb412414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28652e52c0b02a343e618935ea625cbf.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】设
:
,且对所有正整数
,有
,
.则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ca2e83290802c3b7c2d4fd5b3cc2b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422bdeda8a958deff409e52dac6fe4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881c7e37dce5c1005ec08f22f029798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43d0f4428df4916f882dae4090ab1b3.png)
A.1997 | B.1268 | C.3804 | D.5991 |
您最近一年使用:0次