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1 . 在平面直角坐标系中,
,
,点
满足
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f05b013e4b7166cbc87c5a83d6a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b482e778e7547b5b0608655537a18b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be80cb701e95ff89cff79429d8a80119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b048c93949d1d69dd3efb60c5dda250.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-09-27更新
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948次组卷
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3卷引用:第8课时 课前 平面上两点间的距离