• 2022-10-29
    已知函数[img=34x25]1803ba2a73b0a25.png[/img]在[img=44x18]1803ba2a7c46d48.png[/img] 处可导, 且 [img=65x25]1803ba2a84a1551.png[/img], 则[img=169x46]1803ba2a8f9e485.png[/img]
    未知类型:{'options': ['', '', '', ''], 'type': 102}