#include#includeusing namespace std;const double MIN=1E-6;void Print(int *Rank,double *FourNum){ for(int i=0;i<4;i++)cout<<FourNum[Rank]<<" "; cout<<endl;}void Calculate_24(int *Rank,double *FourNum,char *Oper,int i,int j,int k,bool &def){ double res=0; switch(i) { case 0:... |