已知A={1,2,3,4,5,6}; B={1,3,4,6,7,8}; 那么A∪B=()
A.{1,2,3,4,5,6}
B.{1,3,4,6,7,8}
C.{1,2,3,4,5,6,7,8}
D.{1,2,3,4,5,6,7,8,9}
C、{1,2,3,4,5,6,7,8}
A.{1,2,3,4,5,6}
B.{1,3,4,6,7,8}
C.{1,2,3,4,5,6,7,8}
D.{1,2,3,4,5,6,7,8,9}
C、{1,2,3,4,5,6,7,8}
第3题
A.P{X=n}=1/6,(n=1,2,3,4,5,6)
B.P{X=n}=n/6(n=1,2,3,4,5,6)
C.P{X=n}=(n-1)/6(n=1,2,3,4,5.6)
D.P{X=n}=1-n/6(n=1,2,3,4,5,6)
第4题
A.array[1,2,3]
B.array[1,4,5]
C.array[1,3,5]
D.array[1,2,3,4,5]
第5题
设R是集合X={1,2,3,4,5,6}上的等价关系,R={(1,1),(1,5),(2,2),(2,3),(2,6),(3,2),(3,3),(3,6),(4,4),(5,1),(5,5),(6,2),(6,3),(6,6)},求R的等价类.
第6题
设集合 M ={1,2,3,4,5},N = {2,4,6},则 M∩N =()。
A.{2,4}
B.{2,4,6}
C.{1,3,5}
D.{1,2,3,4,5,6}
第7题
执行下面的程序段后,(AX);() TAB DW 1,2,3,4,5,6 ENTRY EQU 3 MOV BX,OFFSET TAB ADD BX,ENTRY MOV AX,[BX]
A.0003H
B.0300H
C.0400H
D.0004H
第8题
A.654321
B.432156
C.456123
D.123456
第9题
设集合M={1,2,3,4,5},集合N={2,4,6},集合T={4,5,6},则(M ∩ T)U N是 () (A){2,4,6} (B){4,5,6} (C){1,2,3,4,5,6} (D){2,4,5,6}
第10题
A.1,2,3,4,5,6
B.1,2,3,4,5
C.1,3,4,5,6
D.2,3,4,5,6
第11题
A.1,2,3,4,5,6
B.1,6,2,3,4,5
C.1,2,4,3,5,6
D.1,6,2,4,3,5