![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f710a5d47969fd5ca4ff8380dfae8540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
更新时间:2024-01-09 22:12:50
|
【知识点】 对数的运算性质的应用
相似题推荐
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】设奇函数
的定义域为R,且对任意实数x都满足
,若当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6955a7b0ec72cb63a83524e9ddbd8a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c25fb0c3e1b6ef211233170b9aa9001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04614d0fac9cde995374a43d4323b723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e47d77aa8a3cff15aaa7e1e893c761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6955a7b0ec72cb63a83524e9ddbd8a.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
【推荐2】德国数学家康托(Cantor)创立的集合论奠定了现代数学的基础.著名的“康托三分集”是数学理性思维的产物,具有典型的分形特征,其构造的操作过程如下:将闭区间
均分为三段,去掉中间的区间段
,记为第
次操作;再将剩下的两个区间
,
分别均分为三段,并各自去掉中间的区间段,记为第
次操作;以此类推,每次在上一次操作的基础上,将剩下的各个区间分别均分为
段,同样各自去掉中间的区间段.操作过程不断地进行下去,以至无穷,剩下的元素构成的集合为“康托三分集”.定义区间
长度为
,则构造“康托三分集”的第
次操作去掉的各区间的长度之和为______ ,若第
次操作去掉的各区间的长度之和小于
,则
的最小值为______ .(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc99bb1d06c586aa9e3b1d23cc43d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1a78c28d963e2a912c3883237c7f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d763909e2db05dec630485dab66513d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfdaa01ae7652656f1f0ccad1a2149c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669d9f8710ff42552ce0c99dff29703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e5aecc7c32f46bc083030629cdd81a.png)
您最近一年使用:0次