C++ :

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	float score,max,min,sum,ave;
	sum=0; max=0; min=101;
	for (int i=1; i<=10; i++)
	{
		cin>>score;
		sum+=score;
		if (score>max) max=score;
		if (score<min) min=score;
	}
	sum-=max+min;
	ave=sum/8;
	printf("%.2f\n",ave);
	return 0;
}