利用计算器计算下列对数的值(结果保留4位小数):
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbacadc4568d1d13ede7f933522a9cce.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a3cb5454b762817ba7619e53941e42.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df8938437c9d5b6343d5fdd32bf7b41.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f87c92a221f550513566dff43846991.png)
更新时间:2023-09-26 22:57:29
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【知识点】 对数的运算