# include<iostream>
# include<bits/stdc++.h>
# include<stdio.h>
# define lli long long int
# define f float
# define inp(x) scanf("%lld",&x)
# define inp2(x,y) scanf("%lld %lld",&x, &y)
# define inp3(x,y,z) scanf("%lld %lld %lld",&x, &y, &z)
# define out(x) printf("%lld ",x)
# define br printf("\n")
// memset (str,'-',6);       //handling strings
// assert(n>=1 && n<=40)   //bounding input
//assert(a[i]>=1 && a[i]<=1000)     //bounding input
//floor(log(number))+1       //digits in a num
//for(i=0;i<=n-1;++i)       //general loop
//cout<<fixed<<setprecision(0);     //outputing in precision
using namespace std;

int main(void){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
lli T,i,a,b,c;
cin>>T;
while(T--){
cin>>a>>b>>c;
    cout<<abs(c-a-b)<<endl;



}
return(0);
}