• 2022-06-30
    确定函数[img=109x26]1802db844c82b83.png[/img]的单调区间
    A: [img=62x25]1802db845457c6c.png[/img]单调增
    B: [img=62x25]1802db845457c6c.png[/img]单调减
    C: [img=42x43]1802db84644a93c.png[/img]单调增,[img=62x43]1802db846c02684.png[/img]单调减
    D: [img=42x43]1802db84644a93c.png[/img]单调减,[img=62x43]1802db846c02684.png[/img]单调增
  • 举一反三