vb

Private Sub Command1_Click()
Dim c1 As Byte
Dim c2 As Byte
Dim a() As Byte
Dim b As String
Dim changdu As Long, i As Long
changdu = Len(Text1.Text)
ReDim a(changdu)
For i = 1 To changdu
b = Mid(Me.Text1.Text, i, 1)
c1 = Int(Val(b))
Dim rm As Byte
Dim r() As Byte
ReDim r(changdu)
Dim d As Byte
For i = changdu - 1 To 1 Step -1
    rm = r(i) + rr(i + 1) + d
    r(i) = rm Mod 10
    d = rm \ 10
    Next i
    
    rm = rr(i) + d1 + d
    d1 = rm Mod 10
    d = rm \ 10
    d = d2 + d
    Print
    Print d & d1
    For i = 1 To changdu
    Print r(i)
 
End Sub