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addtion of two number in c++

#include<iostream.h>
#include<conio.h>
class addi
{
int a,b,sum;
public:
void add()
{
cout<<"enter two number";
cin>>a>>b;
cout<<"addtion of number is"<<a+b;
}
};
int main()
{
clrscr();
addi x;
x. add();
getch();
return(0);
}

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