题目内容
在圆内剪去一个圆心角为45的扇形,余下部分的面积是剪去部分面积的( )倍.
- A.
- B.8
- C.7
C
[{"type":"tigan","data":"在圆内剪去一个圆心角为45的扇形,余下部分的面积是剪去部分面积的( )倍."},{"type":"danxuan","data":{"A":"\\frac{9}{11}<\/var>","B":"8","C":"7"},"ans":"C","perline":2}]
[{"type":"tigan","data":"在圆内剪去一个圆心角为45的扇形,余下部分的面积是剪去部分面积的( )倍."},{"type":"danxuan","data":{"A":"\\frac{9}{11}<\/var>","B":"8","C":"7"},"ans":"C","perline":2}]
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