平面直角坐标系中,点
,点
,点
为
轴负半轴上一点,且
,则点
的横坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3738bb3fced399273145e04ec3955b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9605d38c1f5f2554e3026d8653a2e5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
更新时间:2021-09-13 17:47:29
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【推荐1】如图所示,将正方形
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