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有如下程序：#includeusing namespace std;class Wages{ //"工资"类 double base; //基本工资 double bonus; //奖金 double tax; //税金public: Wages(double CBase,double CBonus,double CTax): base(CBase),bonus(CBonus),tax(CTax){} double getPay()const; //返回应付工资额 Wages operator+(Wages w)const; //重载加法};double Wages::getPay()const{return base+bonus-tax;}Wages Wages::operator+(Wages w)const{ return Wages(base+w.base, bonus+w.bonus,tax+w.tax);}int main(){ Wages w1(2000,500,100),w2(5000,1000,300); cout<<(w1+w2).getPay()<

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