有以下程序#include ＜iostream＞using namespace std;class Complex{public: Complex(double r=0,double i=0):re(r),im(i){ double real(

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问题有以下程序#include ＜iostream＞using namespace std;class Complex{public: Complex(double r=0,double i=0):re(r),im(i){ double real() const {return re;} double imag() const { return im; } Complex operator+(Complex c) const {return Complex(re+c.re,im+c.im);}private: double re,im;};int main(){ Complex a =Complex(1,1)+ Complex(5); cout＜＜a.real()＜＜’+’＜＜a.imag()＜＜’i’＜＜end1; retura 0;}

选项 A、6+6i
B、6+1i
C、1+6i
D、1+1i

答案2

解析

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本试题收录于：二级C题库NCRE全国计算机二级分类