
VB编写程序,计算并输出下面级数前n项中(n=50)奇数项的和。 1*2*3+2*3*4+3*4*5+……+n*(n+1)*(n+2)+…
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Private Sub Command1_Click()
Dim i As Long, sum As Long
For i = 1 To 50 Step 2
sum = sum + i * (i + 1) * (i + 2)
Next
MsgBox "级数前50项奇数项和为:" & sum
End Sub
Dim i As Long, sum As Long
For i = 1 To 50 Step 2
sum = sum + i * (i + 1) * (i + 2)
Next
MsgBox "级数前50项奇数项和为:" & sum
End Sub
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