• 2022-06-30
    利用定积分计算极限 [img=183x43]18033f1ef4a7650.png[/img]
    A: [img=113x51]18033f1efd6a16a.png[/img]
    B: = [img=108x51]18033f1f07267a9.png[/img]
    C: = [img=94x51]18033f1f10c5811.png[/img]
    D: = [img=108x51]18033f1f1d75228.png[/img]