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表面积为的正八面体的各个顶点都在同一个球面上,则此球的体积为( ) A. B. ...
表面积为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212138863794890/SYS201310232121388637948008_ST/0.png)
的正八面体的各个顶点都在同一个球面上,则此球的体积为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212138863794890/SYS201310232121388637948008_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212138863794890/SYS201310232121388637948008_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212138863794890/SYS201310232121388637948008_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023212138863794890/SYS201310232121388637948008_ST/4.png)
考点分析:
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