• 2022-07-24
    曲线[img=150x26]18034c21a6ded58.png[/img]所围图形绕x轴旋转所得旋转体的体积V=
    A: [img=78x51]18034c21af7fe1c.png[/img]
    B: [img=69x51]18034c21b84e609.png[/img]
    C: [img=114x51]18034c21c15a14d.png[/img]
    D: [img=123x51]18034c21c99fc24.png[/img]