• 2022-06-30
    函数[img=154x20]17e0b5b347f829d.jpg[/img]的单调减少区间为()
    未知类型:{'options': ['[-2,1]', ' (-[img=14x11]17e0a6a9a5d0661.jpg[/img],-1],[2,+[img=14x11]17e0a6a9a5d0661.jpg[/img])', ' [-1,2]', ' (-[img=14x11]17e0a6a9a5d0661.jpg[/img],-2],[1,+[img=14x11]17e0a6a9a5d0661.jpg[/img])'], 'type': 102}
  • 举一反三