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Dim x As Double
x = (255# - 17) * 65536 / 256
x = (255# - 17) * 256
End Sub
还有就是在计算过程中强制做类型转换
Private Sub Form_Load()
Dim x As Double
x = CDbl(255 - 17) * 65536 / 256
x = CDbl(255 - 17) * 256
End Sub
Private Sub Form_Load()
Dim x As Double
x = (255.0 - 17) * 65536 / 256
x = (255.0 - 17) * 256
End Sub
Private Sub Form_Load()
Dim x As Single
Dim y As Single
y = 255
x = (y - 17) * 256
End