• 2022-07-26
    利用定积分计算极限 [img=183x43]18030bd3390e2ed.png[/img]
    A: [img=113x51]18030bd3427d58c.png[/img]
    B: = [img=108x51]18030bd34b26f54.png[/img]
    C: = [img=94x51]18030bd35417dc1.png[/img]
    D: = [img=108x51]18030bd35c9bd17.png[/img]