20-21高一·江苏·课后作业
1 . (1)已知lg2=a,lg3=b,用a,b来表示下列式子
(ⅰ)lg6
(ⅱ)log312
(2)设3x=4y=36,求
的值.
(ⅰ)lg6
(ⅱ)log312
(2)设3x=4y=36,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7e12253044b5abff2a56dcd730ced8.png)
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20-21高一·江苏·课后作业
2 . (1)若2a=5b=10,求
的值;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff30874218e5786bdf783f3237032ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36683ad57a3177a653893f6ed04aab5.png)
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3 . 计算、化简下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0a18b8209d6caa53fc8bbd1a8c6ff1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ce10897fc0e34ec431ffe8e069bcc8.png)
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2020-11-29更新
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1019次组卷
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3卷引用:江苏省南京师范大学附属实验学校2020-2021学年高一上学期期中数学试题
名校
4 . (1)计算
;
(2)已知
,求实数x的值;
(3)若
,
,用a,b,表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0041184ed7ff01179d62227a02a5e9df.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dde7fd9758e36eb33f4cd4fb8ecbbd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc8d882f27158a76e8836c3df6ab769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1348202e22f9c5a35b89c05cea58a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13aac2585429d9a4d063644e737f629f.png)
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19-20高一·全国·课后作业
5 . 计算:(1)已知
,试用
表示
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e2bf0a63899b818d60ba3430de6729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ec24cce2147bebb93bb4face682f4c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc34767e6b348f4c405e4d2851398e5.png)
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6 . (1)证明对数换底公式:
(其中
且
,
且
,
)
(2)已知
,试用
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc1ba68d2f2333bcf3041d57c7ebc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a891d21bb2c7a11304beaab5054074.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6dbca38d8bea1720bff35aaec09458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad59cfbdc73f7cf7175aea2b9569c33.png)
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2020-07-14更新
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9卷引用:上海市黄浦区2019-2020学年高一下学期期末数学试题
上海市黄浦区2019-2020学年高一下学期期末数学试题(已下线)4.3+对数-2020-2021高中数学新教材配套提升训练(人教A版必修第一册)(已下线)知识点07 指数与对数-2021-2022学年高一数学同步精品课堂讲+例+测(苏教版2019必修第一册)(已下线)专题4.6 对数-重难点题型检测-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)第四章 指数与对数核心专项练习-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)(已下线)专题01 《指数与对数》中的典型题(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)(已下线)4.2 对数(3)(已下线)4.2 对数(练习)-高一数学同步精品课堂(苏教版2019必修第一册)(已下线)4.2 对数(2)-【帮课堂】(苏教版2019必修第一册)
7 . 求值:
(1)已知集合
,
,
,
,求
,
,
的值.
(2)已知
,求实数
的值.
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7ad0c98dd878be1ef0989b5bfed48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb444292b7d77f0895a7698b968849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ec3457ef426744b125fbf1e4e7308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44ef606f4c60db51a5861800b8696e2.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/071a7e733d466949ac935b4b8ee8d183.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9c8056797a9767d9bc7fb01527c4ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-05-16更新
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2卷引用:云南省陆良县联办高级中学2019-2020学年高一下学期入学考试数学试题
名校
8 . 已知
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2666ae7b17fa4560ceb79e8a4d2db084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22699eb6648f60c35e97dd593127518f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31251aec52e0833858cb3041ffb2120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad076ddb746eb6510a3599eca5a5287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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9 . 计算:
(1)
;
(2)已知
,
,用
、
表示
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24ae040f2a9df62427cf32c1b36d8fd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08a2a5540efcdb5a77aa4ea3049884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850df3e299d9b1ecbda7e3a59e2a255e.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/8b88e502ce0e1be94181365bb9838ecf.png)
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名校
10 . 已知
,
,用
、
表示
.
![](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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2020-02-18更新
|
762次组卷
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7卷引用:内蒙古乌兰察布市集宁一中西校区2017-2018学年高一上学期期中数学理科试题
内蒙古乌兰察布市集宁一中西校区2017-2018学年高一上学期期中数学理科试题(已下线)4.2.2 对数的运算性质(练习)-2020-2021学年上学期高一数学同步精品课堂(新教材苏教版必修第一册)(已下线)第6课时 课中 对数的运算(已下线)4.2.2对数运算(备作业)-【上好课】2021-2022学年高一数学同步备课系列(苏教版2019必修第一册)(已下线)专题01 《指数与对数》中的典型题(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)(已下线)4.2 对数(2)-【帮课堂】(苏教版2019必修第一册)(已下线)第四章 指数与对数(知识归纳+题型突破)-速记·巧练(苏教版2019必修第一册)