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1 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badd09492943d48cf93b3a84bf6b0b57.png)
______ .(用
、
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b532137d54b11624d2756c187b24ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f4fc63a076816b9b61980c31a74708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badd09492943d48cf93b3a84bf6b0b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2023-11-10更新
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1128次组卷
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3卷引用:上海市七宝中学2023-2024学年高一上学期期中数学试题
上海市七宝中学2023-2024学年高一上学期期中数学试题(已下线)4.3 对数(6大题型)精练-【题型分类归纳】(人教A版2019必修第一册)安徽省合肥市第四中学2023-2024学年高一上学期12月月考数学试卷
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2 . 现有下列计算式:①
;②
;③
;④
;⑤
.其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086ded3fea2e2ad8e3e92140983076e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e482fc6e7935d0fb74576f21689ca0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610eeb08ece5c361e5bb6fcea5fa64e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7c7237a1a0e10ca466d5c562979bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3130c0ed277a404dd3e9b85fd81a3bc.png)
A.①②④ | B.②③ | C.③④⑤ | D.④⑤ |
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3 . 已知
.
(1)求
的值;
(2)用m表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a5f090fc4ac833193ebf7cfa9f741a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54deafc61d23f4d62b8a693533530cd7.png)
(2)用m表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8891209560dd8d041287cb9d02b11ac6.png)
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4卷引用:上海市黄浦区2023-2024学年高一上学期期中数学试题
上海市黄浦区2023-2024学年高一上学期期中数学试题(已下线)模块二 专题1《对数函数及其应用》单元检测篇 A基础卷 (人教A)(已下线)第4章:指数与对数章末综合检测卷-【题型分类归纳】(苏教版2019必修第一册)福建省泉州市永春第二中学2023-2024学年高一上学期12月月考数学试题
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf237238d148f7ae52b9cc3323428689.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/bf237238d148f7ae52b9cc3323428689.png)
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2023高一·全国·专题练习
5 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21457303dfae73b822af132d2f2d3e79.png)
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6 . 分贝(
)、奈培(
)均可用来量化声音的响度,其定义式分别为
,
,其中
为待测值,
为基准值.如果
,那么
( )(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca586d4c35ce52dec4b545cf13ee0721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ece77b7eef9fef88a9e7ca6e55e1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f8b354e499e33f00f1cc2727a5b9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5ac6b85f01dfad80aabf225d206fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b659b8e3b4a8b9b18166204449e0287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae278be44b0bc72d1da5563b8ffc7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0b518241e885bc3b4b554f71c76106.png)
A.8.686 | B.4.343 |
C.0.8686 | D.0.115 |
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4卷引用:2.2用函数模型解决实际问题-同步精品课堂(北师大版2019必修第一册)
(已下线)2.2用函数模型解决实际问题-同步精品课堂(北师大版2019必修第一册)北京市东方德才学校2023-2024学年高一上学期12月月考数学试卷北京市丰台区2024届高三上学期期中练习数学试题北京市陈经纶中学2023-2024学年高三上学期数学阶段性诊断练习6
2023高一·上海·专题练习
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7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a11186577d9a1e0a37742de66121e1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9a68fda04e9a8f9266a7dcd2084119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a11186577d9a1e0a37742de66121e1.png)
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5卷引用:第三章 幂、指数与对数(知识归纳+题型突破)-速记·巧练(沪教版2020必修第一册)
(已下线)第三章 幂、指数与对数(知识归纳+题型突破)-速记·巧练(沪教版2020必修第一册)(已下线)4.3 对数-同步精品课堂(人教A版2019必修第一册)上海市晋元高级中学2023-2024学年高一上学期期中数学试题(已下线)河南省实验中学2023-2024学年高三上学期第一次月考数学试题变式题11-142024届上海市长宁区高三下学期二模数学试卷
2023高一·上海·专题练习
8 . 若正实数a、b、c均不为1,满足
,且
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913b94434fcc75d45c67304baaad0449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7eeedfa430910d0a3fd0d23332683e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2d7ddd7ef3b6cde30018bc6a84b9e0.png)
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2023高一·上海·专题练习
9 . (1)设
,试用含有
的代数式表示
;
(2)设
,
,试用
、
表示
;
(3)设
,
,试用
、
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5313222d1452a3b2b17a7c56eed697b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2cb64a19dcdf9fd3f82e68d69774d7.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2513d6ce563d788ab107bd815b56919a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c597681e14aed620355f20a478d87f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0df50d650245aaa42fb480c9b4bb325.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf3935ea958cb302fcd9d89a9182b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d077f6db331fe4b86f29e2fa93903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e4b82cb8c0eee89c20390cbc6e7eea.png)
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