• 2022-06-30
    利用定积分计算极限 [img=183x43]18030bf6fa006cd.png[/img]
    A: [img=113x51]18030bf702f20ac.png[/img]
    B: = [img=108x51]18030bf70c12a4b.png[/img]
    C: = [img=94x51]18030bf7141479b.png[/img]
    D: = [img=108x51]18030bf721309e5.png[/img]