Sub Swap(a, b)
t = a
a = b
b = t
End Sub
Sub ex2()
a = CDbl(Cells(1, 2))
b = CDbl(Cells(2, 2))
c = CDbl(Cells(3, 2))
Cells(4, 2) = "Íå ïðÿìîóãîëüíûé"
If a < b Then Call Swap(a, b)
If a < c Then Call Swap(a, c)
If b ^ 2 + c ^ 2 = a ^ 2 Then Cells(4, 2) = "Ïðÿìîóãîëüíûé"
End Sub