設有如下程序:Private Sub Command1()Click()Dim sum As Double ,x As Doublesum=0For i=1 To 5x=n/in=n+1sum =sum +xNextEnd Sub該程序通過For;循環計算一個表達式的值,這個表達式是()。
A.1+1/2 +2/3+3/4+4/5
B.1+1/2 +1/3+1/4+1/5
C.1/2 +2/3+3/4+4/5
D.1+1/2 +2/3+3/4
正確答案:1/2 +2/3+3/4+4/5
設有如下程序:Private Sub Command1()Click()Dim sum As Double ,x As Doublesum=0For i=1 To 5x=n/in=n+1sum =sum +xNextEnd Sub該程序通過For;循環計算一個表達式的值,這個表達式是()。
A.1+1/2 +2/3+3/4+4/5
B.1+1/2 +1/3+1/4+1/5
C.1/2 +2/3+3/4+4/5
D.1+1/2 +2/3+3/4
正確答案:1/2 +2/3+3/4+4/5