如图,在平面直角坐标系中,直线
与x轴交于点
,以
为一边作正方形
,使得点
在y轴正半轴上,延长
交直线l于点
,按同样方法依次作正方形
、正方形
…、正方形
,使得点
均在直线l上,点
在y轴正半轴上,则点
的横坐标是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0a1cbf7b0ed76c443b953af8734d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f35d4ede5b91b03d09a99262de2693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab35850dbc661ded6456b70767cc6cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07347d7a2282576f756152cd08c5389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987e15ab06e0dce433e936143cb4c41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e2fb51d18074d6af18501dce93ee4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9722a54261ef7ad1fb1c383ef373bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b615b07334401b69625306e4dbd7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc29aae5c02550f0882f10cee2ed6b11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/30d9d032-ff15-4535-ba87-223ae00ede50.png?resizew=238)
更新时间:2022-05-07 09:16:08
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【推荐1】正方形A1B1C1O,A2B2C2C1,A3B3C3C2…按如图所示放置,点A1、A2、A3…在直线y=x+1上,点C1、C2、C3…在x轴上,则A5的坐标是___ .
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【推荐2】如图,在平面直接坐标系中,点A,
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【推荐1】如图,点C、B分别在两条直线y=﹣3x和y=kx上,点A、D是x轴上两点,若四边形ABCD是正方形,则k的值为 ________________ .
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【推荐2】如图,已知正方形ABCD的边长为8,点E是正方形内部一点,连接BE,CE,且∠ABE=∠BCE,点P是AB边上一动点,连接PD,PE,则PD+PE的长度最小值为_____ .
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