1 . 用
,
,
表示下列各式:
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8d1e60de1eee844535bc62247c8776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930c3cceb0c8b9c84365d70105886d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9432b985fb78d057fc39f8a6086da4.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7acd079a0711dfaf93f0cb1db884f2b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fd64e60934535f5e61a51d5e86f600.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ab4cc438a393fca6eec0cda44da002.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63a64983612beaacd843d040f8263c4.png)
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6卷引用:2.1 对数的运算性质
(已下线)2.1 对数的运算性质北师大版(2019)必修第一册课本习题第四章2.1对数的运算性质(已下线)2.1对数的运算性质-同步精品课堂(北师大版2019必修第一册)(已下线)4.3 对数(6大题型)精讲-【题型分类归纳】(人教A版2019必修第一册)北师大版(2019)必修第一册课本例题2.1 对数的运算性质【导学案】2.1 对数的运算性质课前预习-北师大版2019必修第一册第四章对数运算与对数函数
2 . 求下列各式中x的值:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263ea8601828cb0fa20e0e2ce32ce65f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e99509e1917e5ee4a56936a51d2126.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa48457c6d8653fabb127e671712a6e.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0a8dc19e175a2b37cc7d9622cd1e70.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475fa30d837efd463fd4ec6a028cb4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4840a7cc1c989132a53ef670a080eda4.png)
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3卷引用:2.1 对数的运算性质
3 . 计算:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4473c31ef90df547b39ec40632226e0f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3258b6415787a5e3c1559fb194ea55c0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b5ad9ab979912a5ea933126175ae03.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1850ce63dcf54b48fd02f97e0b8574.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb20fe425e62353e1a48a5b50b18e0e0.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1940aa9c9c6b2c81e1afc770423cdb9c.png)
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4卷引用:2.1 对数的运算性质
4 . 用分数指数幂表示下列各式(式中的字母均为正实数):
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31829147ce97b8966fc537390f9a2ac.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6a0129451e9e811d0434404127eb72.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7636638aacabe85b3dde6655bf827.png)
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5 . 计算:
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e272902d4c2cfb5417e509c9b8b6c240.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8583ce895656a83735fbddf8aa210c7.png)
(4)
;
(5)
;
(6)
;
(7)
;
(8)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b4299339d0bbae028ed4af98344936.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e272902d4c2cfb5417e509c9b8b6c240.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8583ce895656a83735fbddf8aa210c7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a20b677c0fb28f4a669e5049584239.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24abca0212fd1ca55ce24c4b48e46bf.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1042ec694eff456006efdcb7e23b45.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038f9a82cd61ecd50e7c3da9ce7bb29d.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6346e9cf17cd140b63c5daf630269af5.png)
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6 . 用计算器求值(结果精确到0.01):
(1)
;
(2)
;
(3)
;
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cd6d747015953ae80174d0fba403a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860027077aa65a031f1a6b76d4ce397a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4570a02599c1f45c514fe4b2775fc437.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f55501168bd9f115993f1fbb012931.png)
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7 . 化简(式中的字母均为正实数):
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf9dc7bc910198d1c309d75a196ab93.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0860142d8da23d9e804254225d941c9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf9dc7bc910198d1c309d75a196ab93.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e1de586d04f3859e6f4c685bb82394.png)
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3卷引用:习题 3-2
8 . 化简(式中的字母均为正实数):
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b11a2674fb4b3e7332b35d5b7fb46c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74f261387e7f2e061fd9ef98b7ee910.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8212395b4841a676a15ee406b567f161.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b303493cd40241fae1c488480e1d5f6a.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73c8188832c519a7601fbd07faf85f0.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd975da4f093cced64b0c537bfe60fd.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045a8127aa92a6edaec5035eb109656a.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503ba4dd30950b7de050ca1a34c5b2f0.png)
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9 . 已知
,求下列各式的值:
(1)
;
(2)
;
(3)
;
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26ca8ee9449dcbece448515c5bf086c.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11afbd452f2fcd40ae32c26055a68ec1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d916d946c56061f3a4b04ecf40682c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303f67f6d5a3f50d5a54839815c4a1fd.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c764d5f18623010915adb4241c7b6b6.png)
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10 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7c9589a8b6d2937b54aaecf2bd3f3b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6842c57bbbf2e0632c16b1b8ca2e9386.png)
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3卷引用:习题 3-2