计算并输出前50项中奇数项的和,结果取3位小数.
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#includeintmain(){intn,i,sum;scanf("%d",&n);sum=0;for(i=1;i
PrivateSubCommand1_Click()DimnAsInteger,阶乘项AsLong,阶乘和AsLongDon=Val(InputBox("请输入阶乘的项数(N≤8)"))LoopUnt
/>Private Sub Form_Click()'1、* 编写程序,计算并输出下面数列中前n项的和.(设n=20)'  
inta=1;intb=2;intsum=0;for(intn=1;n再问:正确么再答:完整正确的代码如下:#include#include#includevoidmain(){inta=1;intb
#includeusingnamespacestd;intmain(){inti;doublee,n,sum;cin>>n;for(i=0,e=-1,sum=0;i{e*=-1;sum+=e*1/(2
#includeintmain(){inti,sum=0;for(i=1;i
main(){inta,sum,i;for(i>0;i
#include"stdio.h"main(){intn,s;n=1;s=0;while(n
declare@iint,@Jsumint,@Osumintset@i=1set@Jsum=0set@Osum=0while(@i
PrivateSubCommand1_Click()DimiAsLong,sumAsLongFori=1To50Step2sum=sum+i*(i+1)*(i+2)NextMsgBox"级数前50项奇
#includeusingnamespacestd;#include/*编写程序,计算并输出下面数列前20项的和,结果取3位小数.(C++)2/1,3/2,4/3,5/4,6/5,7/6,8/7,……
doublenum1,num2,num3,sum;num1=num2=num3=sum=0;for(intii==0;ii再问:看的不是太明白哦,能写的再清楚一点吗?再答:doublenum1,num
#include"stdio.h"voidmain(){doublea,n,s=0;for(n=1;n
intnum=0;//总数for(inti=101;i{lbl2.Text=lbl2.Text+i.ToString()+",";//显示所有奇数num=num+i;i=i+2;}lbl1.Text=
#include"stdafx.h"voidmain(){ints=0;for(intn=1;n
#includevoidmain(){inta1,a2;longintresult=0;inti;for(i=1;i
#includeintmain(){intn,i,x,a=0,b=0;scanf("%d",&n);for(i=1;i
longn=0;for(inti=1;i
1.dimi,jasIntegerfori=1to20j=j+i*(i+1)*(i+2)nextimsgboxj
PrivateSubForm_Click() DimnAsInteger,sAsInteger n=0 s=0