hxt331 花朵
共回答了14个问题采纳率:92.9% 举报
1年前 追问
Private Sub Command1_Click()
Dim x As Double, t As Double, s As Double, n As Integer, jc As Double
x = Val(Text1.Text)
s = 1: t = 1: n = 1
Do
jc = 1
For i = 1 To 2 * n
jc = jc * i
Next i
t = (-1) ^ n * (x ^ (2 * n)) / jc '这里是阶乘,你用的公式是连加的公式
s = t + s
n = n + 1
Loop Until t <= 10 ^ (-7) And t >= -10 ^ (-7)
Text2.Text = Format(s, "0.######") '主要是这句
End Sub
1年前1个回答
1年前1个回答
1年前1个回答
1年前2个回答
利用整式乘法公式计算(x-2)(x+2)-(x+1)(x-3)
1年前2个回答
你能帮帮他们吗