• 2022-06-30
    下列定积分计算正确的是( ).
    A: [img=298x51]18038691195e0a5.png[/img][img=420x51]180386912590449.png[/img]
    B: [img=298x51]1803869131723d2.png[/img][img=358x51]180386913e08164.png[/img]
    C: [img=298x51]1803869149a9b69.png[/img][img=514x51]18038691558bba4.png[/img]
    D: [img=298x51]18038691610961d.png[/img][img=358x51]180386916c7a5bd.png[/img]
  • 举一反三