Tables("表A").RepeatFilter("第一列", 0)
Tables("表A").ApplyFilter = True
Tables("表A").Sort = "第一列"
Dim dr As Row = Tables("表A").Rows(Tables("表A").Rows.Count - 1)
Dim r As Row
For i As Integer = Tables("表A").Rows.Count - 2 To 0 Step -1
r = Tables("表A").Rows(i)
If dr("第一列") = r("第一列") Then
r.Delete
Else
dr = r
End If
Next
Tables("表A").ApplyFilter = False