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【单选题】
设A,B为两个随机事件,则P(A∪B)=
A.
P(A)+P(B)
B.
P(A)+P(B)-P(A)P(B)
C.
1-P( )
D.
1-P( )P( )
拍照语音搜题，微信中搜索"皮皮学"使用
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