• 2022-06-03
    已知函数[img=87x24]17e436f2d701f29.png[/img],则函数在的二阶导数[img=36x21]17e436f2def77e3.png[/img]=( )
    未知类型:{'options': ['', ' [img=88x33]17e44478a06d87a.jpg[/img]', ' [img=88x33]17e44478ab860b5.jpg[/img]', ' [img=88x33]17e44478b5a974f.jpg[/img]'], 'type': 102}