输入圆的半径 r(可能为小数),则 r 定义正确的是()。
输入圆的半径 r(可能为小数),则 r 定义正确的是()。
A.Dim r As Single
B.Dim r As Integer
C.Dim r As String
D.Dim r As Long
正确答案:Dim r As Single
输入圆的半径 r(可能为小数),则 r 定义正确的是()。
A.Dim r As Single
B.Dim r As Integer
C.Dim r As String
D.Dim r As Long
正确答案:Dim r As Single
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