#include <bits/stdc++.h>
using namespace std;

int main() {
    int ncase; 
    for (scanf("%d", &ncase); ncase--; ) {
        int a, b, c;
        scanf("%d%d%d", &a, &b, &c);
        printf("%d\n", a + b - c);
    }
    return 0;
}