• 2022-06-14
    从数1,2,3,4中任取一个数,记为[img=15x19]1802d5d767ae3b6.png[/img],再从数[img=82x23]1802d5d76feff93.png[/img]中任取一个数,记为[img=11x19]1802d5d777d9114.png[/img],则[img=92x25]1802d5d77fcb2f3.png[/img]
    A: [img=18x43]1802d5d788320a4.png[/img]
    B: [img=18x43]1802d5d79077126.png[/img]
    C: [img=18x43]1802d5d798d0bc4.png[/img]
    D: [img=18x43]1802d5d7a10779c.png[/img]