高中数学代数与函数一其他练习题110
题目内容

已知 http://picflow.koolearn.com/upload/papers/20140824/201408240304585722223.png,若向区域 http://picflow.koolearn.com/upload/papers/20140824/20140824030458587333.png上随机投一点P,则点P落入区域A的概率为(   )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824030458603405.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824030458619382.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824030458634327.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824030458634330.png

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