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#include <conio.h>
#include <iostream.h>
#include <math.h>
int uscln(int a,int b)
{
while (!(a%b==0) )
{
int r=b; b=a%b;a=r;
}
return b;
}
class PS
{
private:

int t,m;
public:
void nhap();
void hienthi();
void rutgon();
PS operator+(const PS &p2);
void operator=(const PS &p2);
};
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void PS:: nhap()
{
cout<<"\n Nhap tu so:"; cin>>t;
cout<<"Nhap mau so:"; cin>>m;
}
void PS:: hienthi()
{
cout <<t<<"/"<<m;
}
void PS::rutgon()
{
int uc=uscln(t,m);
t=t/uc;
m=m/uc;
}
void PS::operator=(const PS &p2)
{
t=p2.t;
m=p2.m;
}
PS PS::operator+(const PS &p2)

{
PS tg;
tg.t=t*p2.m+p2.t*m;
tg.m=m*p2.m;
return tg;
}
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void nhapmangPS(PS *a,int n)
{
for (int i=1;i<=n;i++)
a[i].nhap();
}
PS tongmangPS(PS *a,int n)
{
PS tg;
tg=a[1];
for(int i=2;i<=n;i++)
tg=tg+a[i];
tg.rutgon();
return tg;
}
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void main()
{

int n;
PS a[10],p2;
cout<<"\nNhap so phan so:"; cin>>n;
nhapmangPS(a,n);
p2=tongmangPS(a,n);
cout<<"Tong cua mang cac phan so
la:";p2.hienthi();
getch();
}
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