2071：【例2.14】平均分

louyuxiang

[C++] 纯文本查看 复制代码

#include<stdio.h>
using namespace std;
int main(){
	float x,y,a,b,c;
	scanf("%f %f",&x,&y);
	a=87*x;
	b=85*y;
	c=(a+b)/(x+y);
	printf("%0.4lf",c);
}