大帅傅 李艺成 · 发布于 2025-12-30 · 浏览 232 回复 0 include <stdio.h> int main() { int x, y, z; scanf("%d %d %d", &x, &y, &z); int a = x / 10; int b = y * 10 + z; double result = (double)a / b; printf("%.2f\n", result); return 0; }