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/**********12502**********/ #include <iostream> #include <string.h> #include <stdio.h> #include <math.h> #define lld long long using namespace std; int main() { int t;//a= 2/15 b=1/12 double x,y,z; double extra,avg; cin>>t; while(t--) { cin>>x>>y>>z; avg=(x+y)/3; extra = x-avg; printf("%.0lf\n",(extra*z)/avg); } return 0; } |