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    确定函数[img=109x26]1802db844c82b83.png[/img]的单调区间
    未知类型:{'options': ['1802db845457c6c.png单调增', '1802db845457c6c.png单调减', '1802db84644a93c.png单调增,[img=62x43]1802db846c02684.png[/img]单调减', '1802db84644a93c.png单调减,[img=62x43]1802db846c02684.png[/img]单调增'], 'type': 102}
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