• 2022-06-30
    X~P(1),则[img=109x26]18038e4f441d613.png[/img]有两个不同实根的概率为:
    A: [img=25x22]18038e4f4db8652.png[/img]
    B: [img=25x22]18038e4f5718cb5.png[/img]
    C: [img=34x22]18038e4f5f155da.png[/img]
    D: [img=34x22]18038e4f6788422.png[/img]
  • 举一反三