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#include using namespace std;class Complex{public:Complex( ){real=0;imag=0;}Complex(double r, double i){real=r;imag=i;}Complex add(Complex c2) ;private:double real; //实部double imag; //虚部};Complex Complex:: add(Complex c2){ Complex temp;temp.real=this->real+c2.real;temp.imag=this->imag+c2.imag;return temp;}int main(){ Complex c1(3,4),c2(5, -10);Complex c3;____________________________//c3为c1与c2的和。return 0;}
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class Complex{public:Complex( ){real=0;imag=0;}Complex(double r, double i){real=r;imag=i;}Complex operator+ (Complex c2);private:double real; //实部double imag; //虚部};Complex Complex::operator+ (Complex c2){ Complex temp;temp.real=this->real+c2.real;temp.imag=this->imag+c2.imag;return temp;}int main(){ Complex c1(3,4),c2(5, -10);Complex c3;——————————//c3是c1与c2的和return 0;};请回答：所填写语句中两个操作数通过对象给出的是（），通过参数给出的是（）。
class Complex{public:Complex( ){real=0;imag=0;}Complex(double r, double i){real=r;imag=i;}friend Complex operator+= (Complex &, Complex &);private:double real; //实部double imag; //虚部};———————————————————//函数头{c1.real+=c2.real;c1.imag+=c2.imag++;return c1;}
采用综合结转分步法计算产品成本时,若有三个生产步骤,则需进行成本还原的次数是( )。
逐步结转分步法是( )。
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