#include <stdio.h> int max3(int a,int b,int c) { int max=a>(b>c?b:c)?a:(b>c?b:c); return max; } int main() { int a,b,c; scanf("%d %d %d",&a,&b,&c); double m; m=max3(a+b,b,c)*1.0/(max3(a,b+c,c)+max3(a,b,b+c)); printf("%.2f",m)...