x1 = (-b[ +|-] Sqr(b ^ 2 - 4 * a * c)) / 2 * a的vb代码是多少!
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x1 = (-b[ +|-] Sqr(b ^ 2 - 4 * a * c)) / 2 * a的vb代码是多少!
代码
Private Sub Command1_Click()
Dim a,b,c,x1,x2
a = InputBox("a",,2)
b = InputBox("b",,4)
c = InputBox("c",,1)
If b ^ 2 - 4 * a * c < 0 Then
MsgBox "无解"
Else
x1 = (-b + Sqr(b ^ 2 - 4 * a * c)) / (2 * a)
x2 = (-b - Sqr(b ^ 2 - 4 * a * c)) / (2 * a)
MsgBox "解得:" & x1 & "," & x2 & ""
Print x1,x2
End If
End Sub
当 b ^ 2 - 4 * a * c < 0 方程无解,还有
MsgBox "解得:" & x1 & "," & x2 & ""
Print x1,x2
这两句重复了,没必要
再问: MsgBox "解得:" & x1 & "," & x2 & "" 这句是什么意思啊?? 还有什么显示不出来啊??
Private Sub Command1_Click()
Dim a,b,c,x1,x2
a = InputBox("a",,2)
b = InputBox("b",,4)
c = InputBox("c",,1)
If b ^ 2 - 4 * a * c < 0 Then
MsgBox "无解"
Else
x1 = (-b + Sqr(b ^ 2 - 4 * a * c)) / (2 * a)
x2 = (-b - Sqr(b ^ 2 - 4 * a * c)) / (2 * a)
MsgBox "解得:" & x1 & "," & x2 & ""
Print x1,x2
End If
End Sub
当 b ^ 2 - 4 * a * c < 0 方程无解,还有
MsgBox "解得:" & x1 & "," & x2 & ""
Print x1,x2
这两句重复了,没必要
再问: MsgBox "解得:" & x1 & "," & x2 & "" 这句是什么意思啊?? 还有什么显示不出来啊??
x1 = (-b[ +|-] Sqr(b ^ 2 - 4 * a * c)) / 2 * a的vb代码是多少!
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