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ΪʲôfabsÒ»Ö±µÈÓÚ4991£¿ ´úÂë¸ÄÁ˺öàÐͼÀÛÁË£¬ÇëÖ¸³öÒ»ÏÂ#include <stdio.h>
#include <math.h>
int main()
{
float i,a=0,m=0;
for (i=3;;)
{
a=1-1/i;
if(i>0)
{
i+=2;
i*=-1;
}
else
{
i*=-1;
i+=2;
}
m=(1/i);
if(fabs(m)<1e-8)
{
break;
}
}
printf("%lf",a*4);
} ÇëÎÊÔõô·¢Ìû ÇëÎÊ1e-8ÊǶàÉÙ£¿ ÈÓ¸öÍêÕûµÄ´úÂ룿 ²»»áC++ ·¢±íÓÚ 2018-5-18 22:07
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t = fabs(m);
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t = fabs(m);
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