求下列各式的值:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7c4937a22e425f9b14725af67aaf58.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f24da3af3f360f0096aaed1769cf29.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4639a935a2f676d02a32c8a8223f5fd1.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af29519ee3fa97b8339c5db566e3a69.png)
21-22高一·全国·课后作业 查看更多[2]
更新时间:2022-02-14 22:15:58
|
相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐1】已知
,
,
均为正数,且
.
(1)若
,求实数
的值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1581cc0ce70271c1b10d00fa0e3f628f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6d55fd1342220aa63c751dd7637a6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5456b692555edb3b304078ea5c8fa2a.png)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
名校
解题方法
【推荐2】(1)解不等式:
;
(2)求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ede9e32ba89b308267d77b153fadfe.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a7f5500a83f34ed1cb64a3331e337d.png)
您最近一年使用:0次