1 . 如图所示的程序框图的作用是按大小顺序输出两数,则括号内的处理可以是( )
![](https://img.xkw.com/dksih/QBM/2020/6/22/2490377817899008/2490900804304896/STEM/a5567c82e71a4bb29fc7bb9d7baffc22.png?resizew=316)
![](https://img.xkw.com/dksih/QBM/2020/6/22/2490377817899008/2490900804304896/STEM/a5567c82e71a4bb29fc7bb9d7baffc22.png?resizew=316)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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2 . 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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