2008高三·甘肃·竞赛
1 . 设
,
,定义
到
的映射
则满足
的有序数对共有对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6a1b37e33f8f54fdf178ab392676a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5ff535c478c1b11d8dd1e1e5716c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146f7443ea1b42dcaecdf509f515f75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8084025c1a1eec588fe689192d20aa.png)
A.4 | B.6 | C.8 | D.12 |
您最近一年使用:0次
2007高三·甘肃·竞赛
2 . 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 |
您最近一年使用:0次
2007高三·甘肃·竞赛
3 . 设四边形ABCD为xy平面上的一个正方形,其顶点是
、
、
、
,
,
是xy平面到uv平面的变换.则正方形ABCD的像点集是图中的.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135438dd8cd5191a6daa59b3a275b3a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdfbae913ff7ff8caaefcaacf8c20ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1700cf29385643f4930c1109e71a7d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21e2f321a4caf7e0f956e4833d3f2d0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次