设随机事件A、B互不相容,<img src="/lqwvjeImg/21/2179ae5a5ab5977913ab74ecf66e9579.png" style="font-size: 20px;" >则<img src="/lqwvjeImg/61/61adeabe2bcb47e8391c7d992e4fd6fd.png" style="font-size: 0.85rem; width: 48px; height: 25px;" >=( )<br>·<img src="/lqwvjeImg/8a/8ac022c5725bc40ffd8313124d12498f.png" ><br>· <img src="/lqwvjeImg/ee/eecfbb044a2da4aa9a86091f8ef49c51.png" <br>· <img src="/lqwvjeImg/dc/dcc2ca35fafd5a48f30bb25292af9e6c.png" <br>·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/169848536071248b7aa2cd33a4c2084e879eb2a2962a5image94.png"

设随机事件A、B互不相容,

则

=( )
·

·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/169848536071248b7aa2cd33a4c2084e879eb2a2962a5image94.png"

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