名校
1 . 在空间直角坐标系中,已知某平行四边形三个顶点的坐标分别为
,
,
,则第四个顶点的坐标可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d567af011a49b2ab880c904dd2637b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d5b297c6bcf3520a7f372ef96a2038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e58bffb0481dc360ab30424afc2158.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
2 . 在空间直角坐标系
中,若点
,
,点
是点
关于平面
的对称点,则点
与
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cb141eaf6c8146304d0bf6dc9bd379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80df0b2b007f0e4861676f140eead3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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