#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <assert.h>

typedef signed long long int   si64;
typedef unsigned long long int ui64;


int main(void) {
    
    int i,t,a,b,c,p;
    
    scanf("%d",&t);
    for(i=0;i<t;i++){
        scanf("%d%d%d",&a,&b,&c);
        p=a+b-c;
        printf("%d\n",p);
    }
    return 0;
}