【简答题】
设 A = {1, 2=,2, 4=,3, 3=},B = {1, 3=,2, 4=,4, 2=},则交关系A∩B等于:[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=},B = {1, 3=,2, 4=,4, 2=},则对称差关系A⊕B等于:[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=},B = {1, 3=,2, 4=,4, 2=},则交关系A∩B的值域ran(A∩B)等于:[填空1]
【判断题】
设 A = {1, 2=,2, 4=,3, 3=},B = {1, 3=,2, 4=,4, 2=},则并关系A∪B的定义域dom(A∪B)等于:{1,2,3,4}。
【简答题】
设 A = {1, 2=,2, 4=,3, 3=},B = {1, 3=,2, 4=,4, 2=},则并关系A∪B的定义域dom(A∪B)等于:[填空1]
【单选题】
设 A = {1, 22, 43, 3},B = {1, 32, 44, 2},则交关系A∩B等于:
【单选题】
设 A = {1, 22, 43, 3},B = {1, 32, 44, 2},则并关系A∪B等于:
【单选题】
设 A = {1, 22, 43, 3},B = {1, 32, 44, 2},则差关系A-B等于:
【单选题】
设 A = {1, 22, 43, 3},B = {1, 32, 44, 2},则对称差关系A⊕B等于:
【简答题】
下列程序段的运行结果是[填空] 。
Private Sub Form_Click()
Dim a(3) As Long
a(0) = 1: a(1) = 2: a(2) = 3: a(3) = 4
j = 1
For i = 3 To 0 Step -1
s = s + a(i) * j
j = j * 10
Next i
Print s
End Sub