• 2022-06-01
    设曲面[img=13x19]1803d4631341ae3.png[/img]是锥面[img=86x29]1803d4631c21681.png[/img]与平面[img=90x22]1803d463256f087.png[/img]所围空间立体的表面外侧,则[img=130x53]1803d4632f5eb49.png[/img]( ).
    A: [img=35x22]1803d46337aed9c.png[/img]
    B: [img=35x22]1803d46340828d4.png[/img]
    C: [img=49x24]1803d463497ffc0.png[/img]
    D: [img=71x27]1803d46351936eb.png[/img]
  • 举一反三