1 . 将1,2,3,…,16这16个数分成8组
若
.求
的最小值.
必要时可以利用排序不等式(又称排序原理):设
,
为两组实数,
是
的任一排列,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5504861382f2ca2aed9ab3182777a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74213a75dfca346ce418f2c3452ad482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74379907ffa7eb8a3e947163f6f4f02.png)
必要时可以利用排序不等式(又称排序原理):设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d90637cd4ad83768f311888ac4d86ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d6046640460224c08b63dc08741b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9132271894b113f0356c699ed682a924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d6046640460224c08b63dc08741b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e05bac0a76faea6a2c7b4544de87d78.png)
您最近一年使用:0次
2022-03-21更新
|
1730次组卷
|
2卷引用:2022年“大梦杯”福建省青少年数学水平测试试题