• 2022-06-04
    y=sint, x=[img=11x17]17e0aa5dde55a0f.jpg[/img],则y对x的导数y'(x)=( )
    未知类型:{'options': ['cost', ' 2t', ' [img=34x34]17e0aaf40f11485.jpg[/img]', ' [img=34x33]17e0aaf41870cfe.jpg[/img]'], 'type': 102}