名校
解题方法
1 . 令
,
,
,则三个数
的大小顺序是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85365a88a93e996bba03f7960ca7bf63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6d093e28c3258665601291ac9a31b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bf30a71d6e24b0c4ec58f3a1753c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-11-22更新
|
562次组卷
|
2卷引用:江西省上饶市广信区信芳高中2022-2023学年高一上学期第三次月考数学试题
2 . a=
,b=2-3,c=log25,则三个数的大小顺序( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3662cecd6c73b68eb72dc24aefc01eb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 如果一个
位十进制数
的数位上的数字满足“小大小大
小大”的顺序,即满足:
,我们称这种数为“波浪数”;从1,2,3,4,5组成的数字不重复的五位数中任取一个五位数
,这个数为“波浪数”的个数是
![](https://img.xkw.com/dksih/QBM/2015/12/18/1572369613701120/1572369619689472/STEM/ddb7db7370054f45bf1924450eb205b6.png)
![](https://img.xkw.com/dksih/QBM/2015/12/18/1572369613701120/1572369619689472/STEM/08a4ad27b58e484db29fdd552117fa69.png)
![](https://img.xkw.com/dksih/QBM/2015/12/18/1572369613701120/1572369619689472/STEM/7699ed7864694a2b9fe35f82273afc12.png)
![](https://img.xkw.com/dksih/QBM/2015/12/18/1572369613701120/1572369619689472/STEM/fcec6b95d65e40269d9d6529dcfcbd74.png)
![](https://img.xkw.com/dksih/QBM/2015/12/18/1572369613701120/1572369619689472/STEM/09fa4af1c9884d9ba1a8b49500c654b8.png)
A.16 | B.18 | C.10 | D.8 |
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