• 2022-06-30
    设在一次试验中,试验成功的概率为p(0A: [img=41x23]180357354fcac6a.png[/img]
    B: [img=18x23]1803573557ccb65.png[/img]
    C: [img=55x25]1803573560ebbac.png[/img]
    D: [img=78x25]180357356ac1d31.png[/img]