名校
1 . 求下列各式的值.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b23047c2d1d5d2ec22d948c998bfc1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239cf6faacff8461beebae77e146fe8d.png)
您最近一年使用:0次
解题方法
2 . 十九世纪下半叶集合论的创立,奠定了现代数学的基础.著名的“康托三分集”是数学理性思维的构造产物,具有典型的分形特征,其操作过程如下:将闭区间
均分为三段,去掉中间的区间段
,记为第一次操作;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,记为第二次操作;…,如此这样,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三段,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,剩下的区间集合即是“康托三分集”.若使去掉的各区间长度之和不小于
,则需要操作的次数
的最小值为(参考数据:
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5788219e1b572a03b7453968ad25f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5320a6ab3ca524daefb23a951c6332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f558992e649b93ee36f37513781311a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9219bd9c8b266636579b736593279656.png)
A.6 | B.8 | C.10 | D.12 |
您最近一年使用:0次
3 . (1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d32d424015aff3c14d9a7c45d677de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a3164891b59f06f5350f975d4f975c2.png)
您最近一年使用:0次
名校
4 . 计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ae308398929b109af3c9e22f5e53cc.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ae308398929b109af3c9e22f5e53cc.png)
您最近一年使用:0次
5 . 计算:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3683a2692387d17debf653549fe4bf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4003864f6810eca84b5c9907b48ca189.png)
您最近一年使用:0次
2024-01-02更新
|
743次组卷
|
2卷引用:云南省丽江润泽高级中学2023-2024学年高一上学期11月月中考数学试卷
6 . 计算下列各式的值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81e051391798b29600c0a1be32f6ea5.png)
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81e051391798b29600c0a1be32f6ea5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abfda8667d3d36d27d520a445019a39.png)
您最近一年使用:0次
名校
7 . 已知
,
,试用
、
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31ad8dd3b96a9d362354ceed83ffc9d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c6847eede5857ff376e8540d52b3d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476eff5f9d3a665de6b77c21e37c9fcf.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/e31ad8dd3b96a9d362354ceed83ffc9d.png)
您最近一年使用:0次
8 . 化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6086b2f4ad4d2d0ff82ba4ee044abb5c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6086b2f4ad4d2d0ff82ba4ee044abb5c.png)
您最近一年使用:0次
9 . (1)解方程:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf080410f0bf5a1bf4d676480e169e9.png)
(2)已知
,
,求
(用a,b表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf080410f0bf5a1bf4d676480e169e9.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa7bdb806d091348063b1d6564f98b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f45d8d2f64ff58cea04e998dfefba33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b703eb3ee59d9aefcfc2f793953a15.png)
您最近一年使用:0次
名校
10 . 已知正数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfc8a419c6dcae496f24c60742f6b07.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次