高中数学代数与函数一其他练习题110
题目内容

已知非负实数 http://picflow.koolearn.com/upload/papers/20140824/20140824030905161396.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824030905177484.png,则关于 http://picflow.koolearn.com/upload/papers/20140824/20140824030905193266.png的一元二次方程 http://picflow.koolearn.com/upload/papers/20140824/20140824030905208662.png有实根的概率是(     )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824030905208327.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824030905224338.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824030905239338.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824030905255382.png

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