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一个均匀的立方体各面上分别标有数字:1,2,3,4,6,8,其表面展开图是如图所...
一个均匀的立方体各面上分别标有数字:1,2,3,4,6,8,其表面展开图是如图所示,抛掷这个立方体,则朝上一面的数字恰好等于朝下一面上的数字的2倍的概率是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823729994318/SYS201311011908237299943007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823729994318/SYS201311011908237299943007_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823729994318/SYS201311011908237299943007_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823729994318/SYS201311011908237299943007_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190823729994318/SYS201311011908237299943007_ST/3.png)
考点分析:
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