#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;

int main() {
  int t,n,a,b,c;
  cin>>t;
  while(t--){
    cin>>n;
    priority_queue<int> pq;
    for(int i=0;i<n;i++){ 
      cin>>a;
      pq.push(a);
    }
    for(int i=0;i<n-3;i++){ 
      a=pq.top();
      pq.pop();
      b=pq.top();
      pq.pop();
      c=pq.top();
      pq.pop();
      pq.push(a-c);
      pq.push(b-c);
    }
    a=pq.top();
    pq.pop();
    b=pq.top();
    pq.pop();
    c=pq.top();
    if(a==b && b==c)cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
  }
  return 0;
}