• 2022-07-26
    设[img=13x19]1803d34052e10e9.png[/img]为由曲面[img=107x30]1803d3405b84812.png[/img]及平面[img=42x18]1803d34063d9d08.png[/img]所围成的立体的表面,则曲面积分[img=171x60]1803d3406dffd00.png[/img]
    A: [img=69x48]1803d340764cb90.png[/img]
    B: [img=11x39]1803d3407edcd1f.png[/img]
    C: [img=38x48]1803d3408726974.png[/img]
    D: 0