解题方法
1 . 如图,在四面体
中,以下说法正确的有:( )
![](https://img.xkw.com/dksih/QBM/2022/10/19/3090833633091584/3095167175696384/STEM/a8e6aa2c34f74fa5a0aa2cbea598a34b.png?resizew=219)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://img.xkw.com/dksih/QBM/2022/10/19/3090833633091584/3095167175696384/STEM/a8e6aa2c34f74fa5a0aa2cbea598a34b.png?resizew=219)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若四面体其三组对棱的中点间的距离都相等,则这个四面体相对的棱两两互相垂直 |
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