如图,在平面直角坐标系中,放置半径为1的圆,与两坐标轴相切,若该圆向x轴正方向滚动2017圈后(滚动时在x轴上不滑动),则该圆的圆心坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1920bbae-f7b3-4887-b2f3-ff10d4a421c1.png?resizew=168)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1920bbae-f7b3-4887-b2f3-ff10d4a421c1.png?resizew=168)
A.(2018,1) | B.(4034π+1,1) | C.(2017,1) | D.(4034π-1,1) |
更新时间:2017-04-19 18:03:25
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【推荐1】将一些半径相同的小圆按如图所示的规律摆放:第1个图形有6个小圆,第2个图形有10个小圆,第3个图形有16个小圆,第4个图形有24个小圆,……,依此规律,第6个图形有小圆的个数为( )
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894363248017408/2951519774154752/STEM/58375844-e8f2-4a10-a2d9-ceaba950acfd.png?resizew=355)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894363248017408/2951519774154752/STEM/58375844-e8f2-4a10-a2d9-ceaba950acfd.png?resizew=355)
A.42个 | B.44个 | C.46个 | D.48个 |
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【推荐2】将一些半径相同的小圆按如图所示的规律摆放:第1个图形有6个小圆,第2个图形有10个小圆,第3个图形有16个小圆,第4个图形有24个小圆,……,依次规律,第100个图形有( )个小圆
![](https://img.xkw.com/dksih/QBM/2021/11/8/2846883338174464/2847394028879872/STEM/e1ce1d3d-3b27-44b1-92d6-7ef5ddd51e00.png)
![](https://img.xkw.com/dksih/QBM/2021/11/8/2846883338174464/2847394028879872/STEM/e1ce1d3d-3b27-44b1-92d6-7ef5ddd51e00.png)
A.10098 | B.10100 | C.10104 | D.10112 |
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【推荐1】如图,在平面直角坐标系中,一动点从原点O出发,按向上、向右、向下、向右的方向依次平移,每次移动一个单位,得到点
,
,
,
,…那么点
的坐标为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603183fcce97c866c9a82d78bd834e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f620229297390a02e7d59654b147ec23.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77973387dada13dd03c0458028cbe46.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/26/f05a9ed7-3fe2-41fd-99dc-69b6d4b21888.png?resizew=247)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在平面直角坐标系中,
,
,
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处,并按
的规律绕在四边形
的边上,则细线另--端所在位置的点的坐标是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/4aca5a2e-e8fe-44ea-938f-5772a39f749a.png?resizew=96)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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