以下是编程中的一部分:
Print"请输入方程系数a、b、c"
Let a = InputBox("请输入a")
Let b = InputBox("请输入b")
Let c = InputBox("请输入c")
Print"a=";a
Print"b=";b
Print"c=";c
Let x1 = (-b+Sqr(b*b-4*a*c))/(2*a)
Let x2 = (-b-Sqr(b*b-4*a*c))/(2*a)
Print"x1=";x1
Print"x2=";x2
如果使用选择结构,当此方程无解时,该在中间插入什么??
你是求一元二次方程的解吧!看我的代码:'先添加一个按钮Command1和三个文本框Private Sub IntSqr(A As Long, Zs As Long, Gh As String)Dim I As Long, J As Long, B As LongB = AJ = 1For I = 2 To B - 1If B