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A:A
B:B
C:C
D:D
最小的数域是（）
A:正整数集
B:整数集
C:有理数集
D:实数集
<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/4e3dd7f3-b148-48b7-abdf-61827c50d5d3/2008114161753186.JPG" /></font>
A:A
B:B
C:C
D:D
G是群，则G中每个元素的逆元等于自身是G为交换群的（）
A:充分条件
B:必要条件
C:充要条件
D:既非充分也非必要条件
n阶方阵集合对于矩阵乘法构成（）
A:半群
B:群
C:环
D:域
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/49db0957.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/8ca7ae07.GIF" />
A:错误
B:正确
。<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/023bc2e7.GIF" />
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/91332872.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
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/36249d52.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/d25e2e6c.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/fsteacher9/20060930/eb64ae2f.GIF" />。
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
<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/f5bf3a26.GIF" />.
A:错误
B:正确
<p>题见下图：</p><p> <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/c475803b.GIF" /></p>
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/de12daf9.GIF" />
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/b8ddef7d.GIF" />
A:错误
B:正确
<p>题见下图：</p><p><img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/47d30c75.GIF" /></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
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/5be76374.GIF" />.。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/a2f23836.GIF" />
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
<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/f4064a46.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/ba1c6450-19fd-4aa9-b2c1-5b45b95c408d/2008114162658963.JPG" /></font>
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/69d401d7.GIF" />
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/f3c7eb53.GIF" />。
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
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/3a04fd0c.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/fsteacher9/20060930/56c84596.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/e9dad736.GIF" />
A:错误
B:正确
<p> 题见下图：</p><p><img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/1cc2502f.GIF" /></p>
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
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/c8af4fae.GIF" />
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/2fa415b0.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/869f927f.GIF" />。
A:错误
B:正确
<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/fsteacher9/20060930/bc909cc9.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/111d7cdc.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/deba522f.GIF" />
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061013/de12daf9.GIF" />。
A:错误
B:正确
<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/fsteacher9/20060930/3093d3d9.GIF" />。
A:错误
B:正确
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/71579621.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
<font face="Arial">题面见图片<img alt="" src="http://file.open.com.cn/ItemDB/11179/29943d7e-9d56-413d-962e-4657394fc7a5/2008114162452292.JPG" /></font>
A:错误
B:正确
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发表于 2020-8-8 18:51:07
