VB表达式:计算S=1+1/2+1/4+1/7+1/11+1/16+1/22+1/29+···当第i项的值
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VB表达式:计算S=1+1/2+1/4+1/7+1/11+1/16+1/22+1/29+···当第i项的值
![VB表达式:计算S=1+1/2+1/4+1/7+1/11+1/16+1/22+1/29+···当第i项的值](/uploads/image/z/1440609-33-9.jpg?t=VB%E8%A1%A8%E8%BE%BE%E5%BC%8F%EF%BC%9A%E8%AE%A1%E7%AE%97S%3D1%2B1%2F2%2B1%2F4%2B1%2F7%2B1%2F11%2B1%2F16%2B1%2F22%2B1%2F29%2B%C2%B7%C2%B7%C2%B7%E5%BD%93%E7%AC%ACi%E9%A1%B9%E7%9A%84%E5%80%BC)
Private Sub Command1_Click()
Dim i As Long
Dim a As Double
Dim s As Double
Dim stp As Integer
stp = 1
i = 1
Do While True
If 1 / i < 10 ^ -4 Then Exit Do
a = 1 / i
s = s + a
i = i + stp
stp = stp + 1
Loop
Print s
End Su
Dim i As Long
Dim a As Double
Dim s As Double
Dim stp As Integer
stp = 1
i = 1
Do While True
If 1 / i < 10 ^ -4 Then Exit Do
a = 1 / i
s = s + a
i = i + stp
stp = stp + 1
Loop
Print s
End Su
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