Answer:
# include <iostream>
# include <string >
using namespace std;
int main(){
double a,b;
cout<<"Enter two numbers:";
cin>>a;
cout<<"Enter second:";
cin>>b;
cout<<"A+B="<<a+b<<endl;
cout<<"A-B="<<a-b<<endl;
cout<<"A/B="<<a/b<<endl;
system("PAUSE");
return 0;
}
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