三位专家为10幅作品投票,每位专家分别都投出了5票,并且每幅作品都有专家投票,如果三位专家都投票的作品列为
等,两位专家投票的列为
等,仅有一位专家投票的作品列为
等,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
更新时间:2020-02-28 14:48:16
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相似题推荐
单选题
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适中
(0.65)
【推荐1】已知
,定义
,
,…
,(
),经计算,
,
,
,…,照此规律,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff8704285d8c14ae2bd82f9196501c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fc51ae6ba348d0e4d3765a4818406e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9b798c38839c3d34aca6dd7355e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f6dedac9c03308710efc897c553be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa3093eef0143fd4172aefc19c53caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297d2858d9577494e604929b00d02e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4919e9d9527f619298d5b5c2bf643f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b2380689ed1b5a5599ba4b5f0f40f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】大衍数列,来源于中国古代著作《乾坤谱》中对易传“大衍之数五十”的推论.其前10项为:0、2、4、8、12、18、24、32、40、50.通项公式:
,如果把这个数列
排成如图形状,并记
表示第
行中从左向右第
个数,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/47ac947c-229d-4f6f-9e62-6e1e6584d459.png?resizew=210)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a68eb9c0b4f8befe82f56f6b70a2d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66c5f00b5b38a2d052354b5611970e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2badbe6aa52a440875f701d415e39065.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/47ac947c-229d-4f6f-9e62-6e1e6584d459.png?resizew=210)
A.1200 | B.1280 | C.3528 | D.3612 |
您最近一年使用:0次