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Sub Main()
Call f(1, 1, 1)
Call f(1, 1, 2)
Call f(1, 2, 1)
Call f(1, 2, 2)
Call f(2, 1, 1)
Call f(2, 1, 2)
Call f(2, 2, 1)
Call f(2, 2, 2)
End Sub
Function f(ByVal m As Long, ByVal n As Long, ByVal a As Long) As String
Dim s As String
If m = 1 Then
s = IIf(n = 1, "1", "√" & n)
Else
s = IIf(n = 1, m, m & "√" & n)
End If
If (m <> 1) And (n <> 1) And (a <> 1) Then
s = "(" & s & ")"
End If
s = s & IIf(a = 1, "", "/" & a)
Debug.Print "f(" & m & ", " & n & ", " & a & ") : " & s
f = s
End Functionf(1, 1, 1) : 1
f(1, 1, 2) : 1/2
f(1, 2, 1) : √2
f(1, 2, 2) : √2/2
f(2, 1, 1) : 2
f(2, 1, 2) : 2/2
f(2, 2, 1) : 2√2
f(2, 2, 2) : (2√2)/2Option Explicit
Sub Main()
Call f(1, 1, 1)
Call f(1, 1, 2)
Call f(1, 2, 1)
Call f(1, 2, 2)
Call f(2, 1, 1)
Call f(2, 1, 2)
Call f(2, 2, 1)
Call f(2, 2, 2)
End Sub
Function f(ByVal m As Long, ByVal n As Long, ByVal a As Long) As String
Dim s As String
If m = 1 Then
s = IIf(n = 1, "1", "n")
Else
s = IIf(n = 1, "m", "mn")
End If
s = s & IIf(a = 1, "", "/a")
Debug.Print "f(" & m & ", " & n & ", " & a & ") : " & s
f = s
End Functionf(1, 1, 1) : 1
f(1, 1, 2) : 1/a
f(1, 2, 1) : n
f(1, 2, 2) : n/a
f(2, 1, 1) : m
f(2, 1, 2) : m/a
f(2, 2, 1) : mn
f(2, 2, 2) : mn/a