名校
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ccae86937bff30f71dfa4d589e8293.png)
______ .(用含a,b的代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed14dc8f803b78a1045db3c2243bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ccae86937bff30f71dfa4d589e8293.png)
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解题方法
2 . 已知
,
,
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115e675e7470c2fb7b98ff3d0857263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6742abf993ac90ed7e026c0ea7f8824e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d3c5200c735b8301389cd20332e137.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-18更新
|
351次组卷
|
7卷引用:3.2~3.3对数函数的图象和性质-同步精品课堂(北师大版2019必修第一册)
(已下线)3.2~3.3对数函数的图象和性质-同步精品课堂(北师大版2019必修第一册)(已下线)专题02函数与导数(选择填空题1)(已下线)专题02函数与导数(选择填空题1)四川省成都石室阳安学校2023-2024学年高三上学期10月月考数学(理)试题江西省赣州市2023届高三摸底考试数学(文)试题江西省赣州市2023届高三摸底考试数学(理)试题江西省赣州市2023届高三下学期3月摸底理科数学试题
3 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e84234edf14ccd55243f0b8ce438b55.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359141feec6054f2f9ac492cd65ba1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e84234edf14ccd55243f0b8ce438b55.png)
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2023-10-15更新
|
1263次组卷
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3卷引用:2.2换底公式-同步精品课堂(北师大版2019必修第一册)
23-24高一上·江苏南通·阶段练习
4 . 若
,且
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab73385b9d1636b4f41a730e7063ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5886dd7aa4d4b9b03920cf6b96c9a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
5 . 已知
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8504e8973f9af7a594d199e1eca01ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c99d26ca0e85eebbe62bf03dee6a403.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知
,
,
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f20dc732e23cc35ca2e81714aa8b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc9a6a1fdef6a3ba8279cc18beb4e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a680fe3f7cf5a57c1dbd05543c9928.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-13更新
|
538次组卷
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4卷引用:专题4-2 换底公式与指对方程不等式归类(1) - 【巅峰课堂】题型归纳与培优练
(已下线)专题4-2 换底公式与指对方程不等式归类(1) - 【巅峰课堂】题型归纳与培优练(已下线)专题09 对数函数综合性质(10题型)新疆维吾尔自治区乌鲁木齐市第十二中学2023-2024学年高一上学期期末数学试题四川省广安市友谊中学实验学校2023-2024学年高三上学期10月月考文科数学试题
名校
解题方法
7 . 已知实数
,
,
满足
,
,
,则下列结论正确的是( )
![](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/8504e8973f9af7a594d199e1eca01ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c99d26ca0e85eebbe62bf03dee6a403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c27d262a4646b6585ffc4f484b8cee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 利用对数的换底公式计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ff22f92d58ed85b08d25d9f4d3aec6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86764bc88cfc2aeec69d560d10ba42c9.png)
您最近一年使用:0次
9 . 已知
,
,请用a,b表示下列各数的值:
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08a2a5540efcdb5a77aa4ea3049884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850df3e299d9b1ecbda7e3a59e2a255e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930f7706c8f0a021d2e81f1cba24cca0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede9f9b1dbd9fd7245f8d032fe1f083d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7613e04019ca879f8269196d0c3527.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed4bed77efc425c51335b4c64761237.png)
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2023-10-09更新
|
249次组卷
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4卷引用:2.2换底公式-同步精品课堂(北师大版2019必修第一册)
(已下线)2.2换底公式-同步精品课堂(北师大版2019必修第一册)北师大版(2019)必修第一册课本习题 习题4-2(已下线)习题 4-2【导学案】2.2 换底公式课前预习-北师大版2019必修第一册第四章对数运算与对数函数
10 . 求值:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
;
(7)
;
(8)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738f315a3d366fec9eae6597cda3d625.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c08dce84166f81e44ab85603bf7033.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608dc60f6d3a978701060e4a5d716357.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054e3da8fd8803b042e5f13beb8ac16e.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30db5859c8a105ca354310bb396a085.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f8e5d7a8082a7077d1633ae86eed55.png)
(7)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae38427793c44fabd9b7531aabd626c.png)
(8)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68d0c7834f382482c5f8ca5bcd252c7.png)
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