下列表述中反映集合A与集合B交集的是()
A|B
B. A-B
C. A&B
D. A^B
表达式{1,2,3,4}-{3,4,5,6}的值是()
A. {1,2}
B. {1,2,3,4}
C. {3,4}
D. {1,2,3,4,5,6}
下列表达式T-S的值是()S={1010,"1010",78.9}T={1010,"1010",12.3,1010,1010}
A. {1010,"1010"}
B. {78.9}
C. {12.3}
D. {1010,"1010",12.3}
下列表达式S-T的值是()S={1010,"1010",78.9}T={1010,"1010",12.3,1010,1010}
A. {1010,‘1010’}
B. {78.9}
C. {12.3}
D. {1010,"1010",12.3}