20春《离散数学》作业4

adminhan

<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/byjiaowu/20071206/9c50891a.JPG"></IMG>
A:A
B:B
C:C
D:D

<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/byjiaowu/20071120/d5cd7c28.JPG"></IMG>
A:A
B:B
C:C
D:D

&nbsp;<img width="302" height="147" alt="" src="http://file.open.com.cn/ItemDB/17599/f43bb491-d462-493b-a519-cc8ea620c13c/2013827151358393.jpg" />
A:A
B:B
C:C
D:D

&nbsp;<img width="498" height="61" alt="" src="http://file.open.com.cn/ItemDB/17599/02a2c658-ee61-466f-b50c-f0c8d0d77a86/201382715739848.jpg" />
A:A
B:B
C:C
D:D

&nbsp;<img width="457" height="145" alt="" src="http://file.open.com.cn/ItemDB/17599/97cbaa89-918c-415d-a5e0-779134fb4fac/2013827151854248.jpg" />
A:A
B:B
C:C
D:D

&nbsp;<img width="552" height="42" alt="" src="http://file.open.com.cn/ItemDB/17599/122078fc-202a-4d89-853a-6b7e5945f9e5/2013827152110347.jpg" />
A:A
B:B
C:C
D:D

&nbsp;<img width="396" height="42" alt="" src="http://file.open.com.cn/ItemDB/17599/fc76a5cc-5ab3-40eb-a3cf-9f174b41063f/2013827154431542.jpg" />
A:A
B:B
C:C
D:D

&nbsp;<img width="500" height="77" alt="" src="http://file.open.com.cn/ItemDB/17599/6c687c19-c801-4b7b-85a0-3c5a2c509d6d/201382714435275.jpg" />
A:A
B:B
C:C
D:D

以下哪项属于集合的性质 （ ）
A:无次序性
B:有限性
C:无限性
D:非空性

&nbsp;<img width="558" height="211" alt="" src="http://file.open.com.cn/ItemDB/17599/701b201e-c64c-494b-b827-38e8346f400c/2013827144147554.jpg" />
A:A
B:B
C:C
D:D