{班红狱13398585133} 高等数学的题目计算排列32145和34125的逆序数,并说明 ______ 3 2 1 4 5 逆序数=0+1+2+0+0=3, 奇数 3 4 1 2 5 逆序数=0+0+2+2+0=4,偶数 补充一下解释: 逆序数 在一个排列中,如果一对数的前后位置与大小顺序相反,即前面的数大于后面的数,那么它们就称为一个逆序.一个排列中逆序的总数就称为这个排列的逆序数.逆序数为偶数的排列称为偶排列;逆序数为奇数的排列称为奇排列.

{班红狱13398585133} 有哪些中学英语短语词组? ______ Unit 1 Great scientistsI. Phrases 1. put forward 提出 2. draw a conclusion 得出结... Zhang Pingyu had made a list of the sites she wanted to see in London .由于担心时...

{班红狱13398585133} 多个分信道进行级联,若各信道的信道容量依次为C1, C2, …,Cn ,则组... ______[答案] 1N=102cN 厘牛(cN)即厘牛顿,也就是常说的克力(gf).

{班红狱13398585133} 书面表达.写一篇关于因特网的文章.要求是:1、因特网与现代社会.2、因特网对生活的影响.3、你对因特网的看法.字数最少80个单词.希望大家帮帮忙. - ______[答案] The Internet has made possible entirely new forms of social interaction, activities and organizing, thanks to its basic features ... but which may have a variety of minor interactions over their group's site at meetup.org, or other similar sites

{班红狱13398585133} 英语翻译用英语对这幅图进行描述,主要说明在世界上,排名前三的搜索引擎是Google.相比,不同的,在国内,排名前三的是.百度受到国人的欢迎.你们... - ______[答案] 浣犳妸涓嬮溃镄勪俊鎭?硡鍚堜竴涓嫔氨鍙?互浜?涓嬮溃鏄?笁绡囩浉鍏崇殑鏂囩珷. 1.According to Hitbox,Google's ... several years ago.These analysts say something similar could take place in the Internet. Others argue that Baidu's track record of ...