• 2022-07-26
    以[img=189x26]18031bacf1c3f03.png[/img] 为通解的三阶线性微分方程是
    A: [img=129x26]18031bacf9d415f.png[/img]
    B: [img=121x26]18031bad02cd05d.png[/img]
    C: [img=129x26]18031bad0b8d2fc.png[/img]
    D: [img=137x26]18031bad13f5519.png[/img]
  • 举一反三