题目内容
已知:
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image618.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image619.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image620.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image621.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image622.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image623.gif)
![](http://thumb.1010pic.com/pic7/pages/0000/0B58/0193/f541b67bd54e378733d4abac8491219b/A/Image624.gif)
[
]
A .8 |
B .6 |
C .4 |
D .2 |
答案:B
![](http://thumb2018.1010pic.com/images/loading.gif)
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相关题目
已知:
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image618.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image619.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image620.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image621.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image622.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image623.gif)
![](http://thumb.1010pic.com/pic7/pages/00A0/1065/0210/81c0784d64e9cfe613828875851be14d/A/Image624.gif)
[
]
A .8 |
B .6 |
C .4 |
D .2 |
题目内容
已知:
[
]
A .8 |
B .6 |
C .4 |
D .2 |
已知:
[
]
A .8 |
B .6 |
C .4 |
D .2 |