摘要： #include using namespace std;class Product{public: Product(int m,int q,float p):num(m),quantity(q),price(p){}; void total(); static float average(); s... 阅读全文

摘要： #include using namespace std;class Student{public: Student(int n,int s):num(n),score(s){}; void display(); int num; int score;};void Student::display(... 阅读全文

摘要： #include using namespace std;class Student{public: Student(int n,int s):num(n),score(s){}; void display();private: int num; int score;};void Student::... 阅读全文