#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int T,b,s,c;
        scanf("%d",&T);
        while(T--)
        {
            scanf("%d%d%d",&b,&s,&c);
            printf("%d\n",b+s-c);
        }
    return 0;
}