Sub Bouton1_Cliquer()
Dim xarea, t, i&, j&
Randomize
Application.ScreenUpdating = False
Selection.ClearContents: Selection.NumberFormat = "# ##0.000000000000"
For Each xarea In Selection.Areas
ReDim t(1 To xarea.Rows.Count, 1 To xarea.Columns.Count)
For i = 1 To UBound(t): For j = 1 To UBound(t, 2): t(i, j) = CCur(Fix(Rnd * 101) / 100): Next j, i
xarea.Value = t
Next xarea
Application.ScreenUpdating = False
End Sub