表达式(x-2)!+(x-3)!+······+(x-N)!,N,X分别输入到2个文本框中,请高手看看我的程序什么地方错
表达式(x-2)!+(x-3)!+······+(x-N)!,N,X分别输入到2个文本框中,请高手看看我的程序什么地方错了
z = 0 s = 1 N = Val(Text1.Text) x = Val(Text2.Text) For i = 1 To N - 1 Do i = i + 1 m = x - i s = m * s Loop While m = 1 z = z + s Next i Label4.Caption = Str(z)