编程求s=2/1!+4/3!+6/5!+8/7!+.....+2n/(2n-1)!

如题所述

举报该问题

推荐答案 2017-02-05

#include <stdio.h>

void main()
{
int i,j,m=1,n;
float k,s=0;
printf("请输入正整数n: ");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
for(j=1;j<=i*2-1;j++)
m=m*j;
k=(float)(i*2)/(float)m;
s+=k;
}
printf("s=%.4f",s);
}

运行示例：

温馨提示：答案为网友推荐，仅供参考

当前网址：http://99.wendadaohang.com/zd/WWWBtezW7z7zvjBXXXj.html

相似回答

用for语句编程计算s=1/2+3/4+5/6+7/8+9/10+...求前30项之和。答：代码如下：include <stdio.h>#include <stdlib.h>int main(){int i;double n, sum = 0;for (i = 0; i < 30; i++) {n = 2 * i + 1;sum += n / (n + 1);}printf("%lf\n", sum);system("pause");return 0;}运行结果：

求s=1+2/(1!)+4/(3!)+6/(5!)+8/(7!)+...2n/(2n-1)!答：设T=S-1，即：T=2/1!+4/3!+6/5!+8/7!+...…2n/(2n-1)!+……其通项式为：An=2n/(2n-1)!=(2n-1+1)/(2n-1)!=(2n-1)/(2n-1)!+1/(2n-1)!=1/(2n-2)!+1/(2n-1)!则有：T=2/1!+4/3!+6/5!+8/7!+...…2n/(2n-1)!+……=1/0!+1/1!+1/2!+1...

求c语言编程编程 s=1+2/(1*3)+4/(3*5)+6/(5*7)+...+2k/((2k-1)*(2...答：S=1;while （2*k/(2*K-1)*(2*K-1)<0.000001）{ K=K+1;S=S+2*k/(2*K-1)*(2*K-1）；} k的大小有没有确定啊？不知道怎么用for循环

c语言 编程求s=1/2+3/4-5/6+7/8-9/10...,直到分母大于100为止答：include<stdio.h>int main(){float res = 0.5; //如果第一项为-1/2那么这里修改为-0.5即可int flag = 1;float upper = 3;float bottom = 4;while(bottom <=100){res += flag * upper / bottom;flag = flag * -1.0;upper+=2;bottom+=2;}printf("%f\n", res);return 0;}...

VB编程题设计程序求s=1/2+3!/4+...+(n-1)!/n 的值并输出,其中n是从键 ...答：function out(n) for i=1 to nout=out+cj(i-1)/inextend functionfunction cj(n) for i=1 to n cj=n*i nextend functionfor n=1 to 5 Text1.Text=Text1.Text&","&out(n)next随便写的对不对不晓得你自己算 ...

c语言题目描述求和:S=1*3/2*2+3*5/4*4+5*7/6*6+7*9/8*8...的前n...答：include<stdio.h> main(){ int n,i; float c,s,a,b; while(scanf("%d",&n)!=EOF) {s=0.75; a=3; b=2; i=0;///初始化i为0 s =0.0;///初始化s为0 while(i<=n) { a=a*(a+2); b=(b+2)*(b+2); c=a/b; s=s+c...

C语言:编程求s=2/1+3/2+4/3+5/4+…+22/21的值,咋写?答：代码文本：include "stdio.h"int main(int argc,char *argv[]){ int i;double s;for(s=0.0,i=1;i<22;s+=1.0/i++);printf("2/1+3/2+4/3+...+22/21 = %f\n",s+21);return 0;}

s=1+1/2+2/3+3/5+5/8+...用VB编程,输出前20项的和从键盘输入答：代码如下：n=inputbox("输入n的值"）s=0 a=1 b=1 for i=1 to n s=s+a/b b=a+b a=b-a next i print s

java编程:s=1+1/2+3/1+4/3+7/4+11/7+…..答：public class Test { public static void main(String[] args) { // TODO code application logic here int m=2; int z=1; double re=1; int n=0; while(n<5){ re+=(double)z/m; int a=m; m=z; z=a+m; n++; } System.out.print...

大家正在搜

s7200编程软件编程入门编程求1到100的和 scratch编程教程少儿编程scratch 教程编程求1000之内的所有完数 c语言编程求10的阶乘编程求三个数求最大值的c语言编程 c语言求圆面积编程

编程求y=2/1!+4/3!+6/5!+8/7!+……2n/...

证2/1*4/3*6/5*8/7*.....（2n）/（2n...

1+1/3+(1*2)/(3*5)+(1*2*3)/(3*5...

利用圆周率pi的级数计算公式是：pi/4=1-1/3+1/5...

x^2/1!-x^4/3!+x^6/5!-x^8/7!+.....

x^2/1!-x^4/3!+x^6/5!-x^8/7!+.....

编程！C++，计算π的近似值π=2×(2×2/1×3)×(4...

2*4/3*6/5*8/7*10/9……*2n/(2n-1)...