观察下列关于x的单项式,探究其规律:x,3x2,5x3,7x4,9x5,11x6,………按照上述规律,第2016个单项式是( )
A.2016x2016 | B.4029x2015 | C.4029x2016 | D.4031x2016 |
更新时间:2017-09-18 20:56:50
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单选题
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适中
(0.65)
名校
【推荐1】已知整数
……满足下列条件:
,
,
,
……依次类推,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98daac04d0179055e992af0b5e0b924b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a424dc93cb56f4f0781345594542b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef28cc7fffdf4d7c1bd40fe17c08413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea97886fc2fd4f89421345a3356ca1c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475fdc2128fcc98e4bfe451fd1f49120.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
|
适中
(0.65)
【推荐2】观察下面的一列数:-
,
,-
,
,…,按此规律,第2018个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d9c3457bb110ade51370f2eed4a0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad74110f79b55ad22c5917eb2552d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d389a96ccd2c22b8fe57d01d096ac7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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