[1] A. 1 To I B. 1 To 5 C. 1 To i+1 D. i To 5
[2] A. j B. I C. i + 1 D. "1"
[3] A. End If B. End Sub C. Next D. End For 答案:DBC
四、填空题[编程求结果]
32、通过编程求出结果。求级数
S = 1/(1*1+1) + 1/(2*2-1) + 1/(3*3+1) + 1/(4*4-1) + + 1/(n*n+1) + 1/((n+1)*(n+1)-1) +
的前10000项之和,其结果为________(取2位小数,第3位小数四舍五入)。
答案:1.22(数值)
程序:(方法1)
<HTML><HEAD></HEAD>
<BODY><PRE><SCRIPT LANGUAGE="VBScript">
dim s,k,c
s=0 : c=1
For k=1 To 10000
s=s+1/(k*k+c)
c=-c
Next