习题6.5

#include <stdio.h>  int main()  {      double c,f,i;      for(i=0;i<=300;i+=10)      {          printf("i=%f\n",i);          c=5.0/9.0*(i-32.0);      printf("c=%f\n",c);  }   printf("c=%f\n",c);   return 0;   }