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#include
#include
main()
{
int n,design,fenmu;
double s1,s2;
printf("please in put a n:\n";
scanf("%d",&n);
design=1;
fenmu=2;
s1=1;
while(fenmu<=n);
{
design=-design;
s2=design/fenmu;
s1=s1+s2;
fenmu=fenmu+1;
}
printf("%f",s1);
}
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ppqq520

гæ (СÓÐÃûÆø)

.......´íÎó±íÇ飬£¬£¬£¬µÚÆßÐиüÕýÏ£ºprintf("please in put a n:\n";
2Â¥2012-08-30 14:27:27
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ppqq520

гæ (СÓÐÃûÆø)

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2Â¥: Originally posted by ppqq520 at 2012-08-30 14:27:27
.......´íÎó±íÇ飬£¬£¬£¬µÚÆßÐиüÕýÏ£ºprintf("please in put a n:\n";

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fdesheng

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ppqq520: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¶àлָµã£¬¸ù¾ÝÄãµÄ¸Ä¶¯£¬ÎÊÌâÒѾ­µÃµÀ·Ç³£×¼È·µÄ½â¾ö£¡ÁíÇë½ÌΪʲôÁ½¸öÕûÊýÐÍÏà³ý»áÓÐÎÊÌâÄØ£¿ÎÒ°´ÄãµÄ°ÑÒ»¸ö¸Ä³Édouble¾ÍOKÁË£¬ÕâÊÇʲôԭÀíÄØ£¿ 2012-08-30 17:24:57
xzhdty: ½ð±Ò+2, лл²ÎÓë 2012-08-31 22:43:13
#include
#include
main()
{
int n,fenmu;
double s1,s2,design;
printf("please in put a n:\n";
scanf("%d",&n);
design=1.0;
fenmu=2;
s1=1;
while(fenmu<=n)
{
design=-design;
s2=design/fenmu;
s1=s1+s2;
fenmu=fenmu+1;
}
printf("%f",s1);
return 0;
}

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4Â¥2012-08-30 15:02:34
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fdesheng

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by fdesheng at 2012-08-30 15:02:34
#include<stdio.h>
#include<math.h>
main()
{
int n,fenmu;
double s1,s2,design;
printf("please in put a n:\n";
scanf("%d",&n);
design=1.0;
fenmu=2 ...

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5Â¥2012-08-30 20:00:20
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гæ (СÓÐÃûÆø)

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ÒýÓûØÌû:
5Â¥: Originally posted by fdesheng at 2012-08-30 20:00:20
µ±Á½¸ö¶¼ÊÇÕûÊýʱ£¬¼ÆËãµÄʵ¼ÊÉÏÊÇÕûÊýÉÌ¡£ËùÒÔÈç¹ûÄã²»¸ÄµÄ»°Êä³ö½á¹ûÓÀÔ¶ÊÇ1.Äã¿ÉÒÔÊÔÏÂ...

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