• 2022-06-15
    设f(x)=ksinx-2x,且[img=75x33]17da625a3bdfe28.jpg[/img],则k=()
    未知类型:{'options': ['1', ' [img=11x33]17da3b8d434d8d7.jpg[/img]', ' [img=25x34]17da40b126a2b85.jpg[/img]', ' 0'], 'type': 102}