定义一个类,求两数的差,和,商,积
1个回答

class Operation

{

public:

Operation(){};

void SetX(double a)

{

x=a;

}

void SetY(double b)

{

y=b;

}

double Add()

{

return x+y;

}

double Minus()

{

return x-y;

}

double Times()

{

return x*y;

}

double Divided()

{

return x/y;

}

~Operation(){};

private:

double x,y;

};

#include

using namespace std;

void main()

{

Operation x;

double a,b;

couta;

cout

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