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題目說明:1+2-3+4+5-6.....97+98-99 的總合為?<br />
檔案名稱:<strong>03</strong> \ ch6 \ P.172-1 延伸 3<br />
表單:<br />
程式碼:<br />
Private Sub Form_Activate()<br />
Dim i As Integer, sum As Integer<br />
sum = 0<br />
For i = 1 To 99<br />
If i Mod 3 = 0 Then sum = sum - i<br />
If i Mod 3 0 Then sum = sum + i<br />
Next i<br />
Print "1+2-3+4+5-6.....97+98-99 的總合為 " & sum<br />
End Sub<br />
執行結果:
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