福师《近世代数》在线作业一-0004

adminhan

n阶方阵集合对于矩阵加法构成（）
A:半群
B:群
C:环
D:域

18阶循环群的生成元有（）个
A:3
B:4
C:5
D:6

关于置换、循环置换和对换的说法错误的是（）
A:置换一定能写成循环置换的乘积
B:置换一定能写成对换的乘积
C:循环置换一定能写成对换的乘积
D:对换不改变置换的奇偶性

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/3a791d3b-93dd-4874-9633-562dd47202c5/2008114162226387.JPG" /></font>
A:A
B:B
C:C
D:D

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/596610c9-80f8-48e0-96c8-39aed0201f6a/2008114162151887.JPG" /></font>
A:A
B:B
C:C
D:D

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/8e26a103-bf65-4138-974f-9cf9c5affe32/200811416255873.JPG" /></font>
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/d53f9673.GIF" />
A:错误
B:正确

<p><img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/68235292.GIF" /></p><p>。</p><p>&nbsp;</p><p>&nbsp;</p>
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/98a9a2ab.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/88a9cdcb.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/f834e892.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/36249d52.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/84919688.GIF" />。
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/616303a6.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/8ca7ae07.GIF" />
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/2fa415b0.GIF" />
A:错误
B:正确

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/278eca41-ae57-4428-a269-a85bbe01bea4/2008114162628948.JPG" /></font>
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/4f399d80.GIF" />。
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/cd9e952d.GIF" />。
A:错误
B:正确

<font face="Arial">题面见图片<img height="69" alt="" width="586" src="http://file.open.com.cn/ItemDB/11179/3bfa3586-dda3-441a-bac1-5c97072f9c81/2008114162525261.JPG" /></font>
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/30f4bf85.GIF" />。
A:错误
B:正确

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/256956e0-f127-4cb1-8092-5e28ec9a3405/2008114162729307.JPG" /></font>
A:错误
B:正确

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/16fa6030-2bbe-4709-8aaf-18e3de18f0e5/2008114162852478.JPG" /></font>
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/8171867e.GIF" />。
A:错误
B:正确

<p><img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/8ca7ae07.GIF" /></p><p>。</p>
A:错误
B:正确

.<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/8ef02184.GIF" />
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/2e767160.GIF" />
A:错误
B:正确

.<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/3b3bbf94.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/5be76374.GIF" />.。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/91332872.GIF" />
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/f08edea9.GIF" />
A:错误
B:正确

<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/4771a6e4-18f7-482b-b535-f01d064641b1/2008114162759760.JPG" /></font>
A:错误
B:正确

.<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/c7d7cac5.GIF" />
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/25d3cf6b.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/fd61363e.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/993ea45d.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/88a9cdcb.GIF" />。
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/0ae06b3d.GIF" />。
A:错误
B:正确

<font face="Arial">题面见图片<img height="57" alt="" width="460" src="http://file.open.com.cn/ItemDB/11179/86e00141-d49b-4032-acbf-2a9f3e07cda2/2008114162826666.JPG" /></font>
A:错误
B:正确

<p><img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/cdce05b0.GIF" /></p><p>。</p>
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/b8ddef7d.GIF" />，
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/d168b662.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/45609d34.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/3b3bbf94.GIF" />
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/463bd041.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/401ee4c5.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/f5bf3a26.GIF" />
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/9cd27399.GIF" />。
A:错误
B:正确

<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/dee4bc2f.GIF" />。
A:错误
B:正确

&nbsp;<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/8ef02184.GIF" />
A:错误
B:正确