#include class Complex{double real,imag;public:Complex(){}Complex(double real,double imag):real(real),imag(imag){}friend Complex operator+(const Complex, const Complex); void put(){cout<<real<<"+"<class Complex{double real,imag;public:Complex(){}Complex(double real,double imag):real(real),imag(imag){}const Complex operator+(Complex b){b.rea...
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