题目

e^x=1+x+x^2/2!+x^3/3!+...+x^n/n!x=9 求和 的vb答案是多少
n=25

提问时间：2022-01-18

答案

Private Sub Command1_Click()
si = 1
ex = 1
x = 9
For i = 1 To 25
si = si * i
ex = ex + x ^ i / si
Next i
Print ex
End Sub
结果：8103.06009308912