• 2022-07-01
    设[img=13x19]1803d681204589f.png[/img]是由柱面[img=89x26]1803d6812987d41.png[/img]及平面[img=90x22]1803d681319a523.png[/img]所围成的立体表面的外侧, 则曲面积分[img=177x39]1803d6813d339c1.png[/img]的值为( ).
    A: [img=27x39]1803d68145eadea.png[/img]
    B: [img=11x39]1803d6814ec504c.png[/img]
    C: 0
    D: [img=20x43]1803d68156ef5dc.png[/img]
  • 举一反三