• 2022-05-31
    1803987a0ac1af8.png的一个原函数可用下式哪一个表示
    A: [img=123x25]1803987a12b6430.png[/img]
    B: [img=123x25]1803987a1babab8.png[/img]
    C: [img=221x51]1803987a25cf0f0.png[/img]
    D: [img=221x51]1803987a3087316.png[/img]