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#include<stdio.h>
main()
{
float a,b,c,r,x,y;
scanf("%f %f %f %f %f",&a,&b,&x,&y,&r);
c=1/2*(4*x*r*a*b-2*x*r*a*y+2*b*r*a*y-2*b*r*y*x+4*a*b*y*x+(x*x)*r*y-2*x*x*r*a-2*x*x*r*b-2*b*b*r*a+2*b*b*r*x-4*a*a*b*x-2*a*a*b*y-4*a*b*b*x+2*a*a*x*y+4*a*x*x*b-2*a*x*x*y-2*b*x*x*y+2*a*a*b*b+2*a*a*x*x+2*b*b*x*x)*y/(-x*r+b*r-r*y+a*x-a*b+a*y+b*x-y*x)/(a*x-a*b+a*y+b*x-y*x);
printf("l3=%f",c);
getch();
}

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Ì°Íæ1991

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ÒýÓûØÌû:
2Â¥: Originally posted by Fleaves at 2014-01-18 01:43:24
ÀÁµÃ¸øÄãÕÒ£¬Ò»²½Ò»²½¼ì²é°É

c=¡­¡­ºóÃæÒ»³¤´®Ã»ÓÐÎÊÌâµÄ   ÒѾ­±àÒë³É¹¦ÁË

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