• 2022-07-01
    积分[img=178x49]18031b88d4a7501.png[/img]在极坐标系下的累次积分为_____________.
    A: [img=142x52]18031b88deb03ce.png[/img]
    B: [img=135x52]18031b88e98210e.png[/img]
    C: [img=142x52]18031b88f50af95.png[/img]
    D: [img=135x52]18031b89006827b.png[/img]
  • 举一反三