(1)求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b610b7392abe88bcd9a3c46f5827e3.png)
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b610b7392abe88bcd9a3c46f5827e3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d873727b837fd3acdce4aa0fcdfbe54d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db09a66515a0caa4291d1078fc7661a.png)
更新时间:2021-12-09 23:45:08
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】比较下列各组数的大小:
(1)
,
;
(2)
,
;
(3)
,
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec89a5cee6da8191c14efe185688bb7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ab41e3bfc7a74710c4b99d82f25852.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75f66d6767a67a53302235f9640c75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a80576d736e89d89ac66b3e04cc6cf8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353df83daa9a40bc556862891eba1ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b87ac7ff83424dde73b06d6a17afe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535a16d1575b506bcc9c7e94f1f33a19.png)
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