C语言题目答:float a=3.5,b=5.4,c=4.3,s;double area;// float a,b,c;// scanf("%f%f%f",&a,&b,&c);//用户输入数据 s=a+b+c;area=sqrt(s*(s-a)*(s-b)*(s-c));printf("%lf",area);} 3)include<stdio.h> include<math.h> void main(){ float a=2.5,b=5.4,c=4.3;...
c语言 关于海伦公式 求助答:float a,b,c,S;scanf("%f %f %f",&a,&b,&c);if(a+b>c&&a+c>b);S=area(a,b,c);} } float area(float a,float b,float c){ float ss(float a,float b,float c);float area;s=ss(a,b,c);area=sqrt(s*(s-a)*(s-b)*(s-c));printf("area=%f",area);return ...
area=√{s(s-a)(s-b)(s-c)},其中s=(a+b+c)/2.求C语言表达式答:printf("请输入三角形三边的值:\n");scanf("%f %f %f",&a,&b,&c);if(a+b include include void main(){ float a,b,c,s,area;scanf("%f,%f,%f",&a,&b,&c);s=1.0/2*(a+b+c);area=sqrt(s*(s-a)*(s-b)*(s-c));printf(double sum(double a,double b,double c)...