[已解决]程序出错不明

永恒的蓝色梦想

1. #include<math.h>
   
2. #include<stdio.h>
   
3. 
   
4. 
   
5. 
   
6. int main() {
   
7.     double a, b, c, s, area;
   
8.     scanf("%lf，%lf，%lf", &a, &b, &c);
   
9.     s = (a + b + c) / 2;
   
10.     area = sqrt(s * (s - a) * (s - b) * (s - c));
    
11.     printf("a=%7.2lf,b=%7.2lf,c=%7.2lf,s=%7.2lf\narea=%7.2lf\n", a, b, c, s, area);
    
12.     return 0;
    
13. }

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