vb编程求和sum=1!+3!+5!+.+(2n-1)!

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vb编程求和sum=1!+3!+5!+.+(2n-1)!
vb编程求和
sum=1!+3!+5!+.+(2n-1)!

vb编程求和sum=1!+3!+5!+.+(2n-1)!
Dim i As Integer
Dim j,k As Integer
Dim sum1,sum2 As Double
sum1 = 0
i = Val(InputBox("请输入一个整数"))
For j = 1 To i
sum2 = 1
For k = 1 To 2 * j - 1
sum2 = sum2 * k
Next k
sum1 = sum1 + sum2
Next j
Print sum1 '打印输出结果

vb编程求和sum=1!+3!+5!+.+(2n-1)! VB编程题：实现求sum=1!➕3!➕5!➕……➕25! vb编程实现求sum=1/1!+1/2!+1/3!+ +1/n! (n VB编程实现1~100偶数求和 vb编程已知sum=1!-2!+3!-4!...-10!,请将sum值输出到窗体上用do while VB编程 Dim sum As Double,x As Double sum = 0 x = 0 For i = 1 To 5 x = n / i n=n+1 sum=sum+x nextprint结果为,sum 为什么结果是1/2+2/3+3/4+4/5而不是1+1/2+2/3+3/4+4/5 求л的近似值.用公式л/4≈1-1/3+1/5-1/7+…误差10-6 .用JAVA编程提示：先求和得到л/4的近似值sum,再求л的近似值pi=4*sum vb编程.会的来.感激不尽~vb 【循环结构】编程计算【s=1+2+3++100的值】求VB编程：输出100~200间所有不能被3整除的数并求和. VB编程.输出斐波那契数列1,1,2,3,5,8,13第20个数使用for...next语句完成程序.并将结果存入变量sum中编程计算sum=1+1/3 +1/5 +···+1/(2*n-1) 其中n是整数设n=19 求sum的 matlab里边这个sum（X,1）,sum（X,Examples:If X = [0 1 23 4 5]then sum(X,1) is [3 5 7] and sum(X,2) is [ 312];sum(X,1）是不是第一列求和啊?那为什么不是3 而是 [3 5 7] 那sum(X, VB中 sum.Value = VB编程题：统计7*7数组四周元素之和及四周元素中能够被7整除的元素的个数,并在标签中显示.Sum = 0For i = 1 To 7Sum = Sum + a(1,i)Next iFor i = 1 To 7Sum = Sum + a(7,i)Next iFor i = 2 To 6Sum = Sum + a(i,1)Next iFor i = C语言编程数列求和就是有一个数列：2/1,3/2,5/3,8/5,13/8,21/13……求前29项之和.我在度娘搜到这个答案：#includevoid main(){ int a = 1,b = 2,c,i;double sum = 2; for( i=1; i VB编程已知N=30,求级数sum=1+1／2+1／3+1／4···+1／n的和要求当某项1／n的值≤0.0000001时,程序结束.输出计算结果sum,并写出计算到多少项结束 VB编程已知N=30,求级数sum=1+1／2+1／3+1／4···+1／n的和要求当某项1／n的值≤0.0000001时,程序结束.输出计算结果sum,并写出计算到多少项结束编程计算 sum=1+1/2!+1/3!+……+1/10!,并输出结果.