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1 . 完成下列证明:
(Ⅰ)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de8eb289fde19705d3ebf005cc36e8.png)
;
(Ⅱ)若
,求证:
.
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de8eb289fde19705d3ebf005cc36e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de4ddc6ed5fc0f34fe195115a391ca4.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2f4630b66f80a5f2b7f186e49b321e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da586544943f6fb62344a58f9e645f70.png)
您最近一年使用:0次
2019-09-12更新
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1114次组卷
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3卷引用:山东省济南市章丘区第四中学2019-2020学年高一上学期10月月考数学试题