名校
1 . 记集合
,
,将
中的元素按从大到小排列,则第
个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b450e856e13623fc8a049b59d4745f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00398ad258984874cb43e387f1f130f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151e5633a5d0cc30b254167e3dda5803.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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真题
2 . 观察下列各式:
则
的末四位数字为
![](https://img.xkw.com/dksih/QBM/2011/6/16/1570240062455808/1570240067502080/STEM/a9a2b1f382cc466399df52beeb0a80a8.png)
![](https://img.xkw.com/dksih/QBM/2011/6/16/1570240062455808/1570240067502080/STEM/19b00a0eaa3747c19e0f634aa447b5cc.png)
A.3125 | B.5625 | C.0625 | D.8125 |
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