小狐狸的X · 发布于 2022-10-21 · 浏览 623 回复 0

//freopen("1.in","r",stdin);
//freopen("1.out","w",stdout);
double a,b,c,h;
scanf("%lf %lf %lf",&a,&b,&c);
h=a-b*c;
printf("%.2lf",h);
return 0;