• 2022-06-30
    设[img=13x19]180385708141bd8.png[/img]:[img=134x26]180385708a4605c.png[/img], 则曲面积分[img=165x48]180385709512222.png[/img]的值等于
    A: [img=36x22]180385709cf5203.png[/img]
    B: [img=36x22]18038570a44dac4.png[/img]
    C: [img=36x22]18038570ad9625c.png[/img]
    D: [img=36x22]18038570b674be2.png[/img]
    E: [img=36x22]18038570bec2a4f.png[/img]
    F: [img=36x22]18038570c7d1784.png[/img]
    G: [img=45x22]18038570d076b82.png[/img]
    H: [img=45x22]18038570d932d01.png[/img]
    I: [img=45x22]18038570e10fc4f.png[/img]
    J: [img=45x22]18038570ea5aae3.png[/img]
  • 举一反三