题目内容
(请给出正确答案)
[多选题]
有一个数列,第一个数为7,第二个数为3,从第二个数起,每个数都比它前后相邻两个数的和少4,则该数列从第一个数到第2019个数的和是()
A.9028
B.10032
C.8074
D.7842
答案
8074
如果结果不匹配,请 联系老师 获取答案
A.9028
B.10032
C.8074
D.7842
8074
A.10001
B.10000
C.10011
D.11000
Private Sub Form_Click()
Dim last_one As Long
Dim last_two As Long
Dim this_one As Long
Dim i As Integer
last_one = 1 '数列的第二个数
last_two = 2 '数列的第三个数
i = 4 '从数列的第四个数求起
Do
this_one = last_one + last_two
last_one = last_two
last_two = ------1-------
If i = 17 Then
Form1.Print "No:17="; this_one
End If
------2------
Loop While this_one <= 100000000#
Form1.Print "No:";------3------; "is > 1E+8"
End Sub