(1)计算:
;
(2)计算:
;
(3)求函数
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51728887d2f6c8b00b22509ed42e0feb.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa04ccec59ff50512a643071e823e72.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c03a2d85ebea919d4d4b272dd69426.png)
更新时间:2023-02-01 11:46:54
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解题方法
【推荐1】已知
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(1)当
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(2)若
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解答题-问答题
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【推荐2】求下列函数的定义域:
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(2)
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【推荐1】计算下列各式的值.
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【推荐1】设函数
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【推荐2】全集
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