Sub 第一题()
Range("a1", "c18").Select
Dim rg As Range
For Each rg In Selection
If IsNumeric(rg) = True And rg > 0 Then
rg.Value = "整数"
End If
Next rg
End Sub
Sub 第二题()
Dim rng As Range
Dim rg As Range
For Each rng In Range("a2:c12")
If IsNumeric(rng) = True And rng > 0 Then
If rg Is Nothing Then Set rg = rng
Set rg = Union(rg, rng)
End If
Next rng
rg.EntireRow.Select
End Sub