#include <stdio.h> int getMax(int a, int b, int c); int main() { int a, b, c; double res; while (scanf("%d %d %d", &a, &b, &c) != EOF) { res = 1.0 * getMax(a + b, b, c) / (getMax(a, b + c, c) + getMax(a, b, b + c)); printf("%.2lf\n", res); } ret...