2024·全国·模拟预测
1 . 设
,
,…,
(
),
,
,…,
(
)为两组正实数,
,
,…,
是
,
,…,
的任一排列,我们称
为这两组正实数的乱序和,
为这两组正实数的反序和,
为这两组正实数的顺序和.根据排序原理有
,即反序和≤乱序和≤顺序和.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd14381552c8f3a896675effe1f4f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473bae0bc5acfd6a486c1433c58fb369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7936359df4c926b72b48c6fdae55f12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71581a9193c69e5d4f644e6100ffd34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6214883c5996a384348d3052f05dd2b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afad2abfe7cfccd0d634c1d8951121b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a357cbf7931e33754ae34bca26b98ac3.png)
A.数组![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.设正实数![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.已知正实数![]() ![]() ![]() ![]() ![]() |
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