... main.cpp #include”khaibao.h” void main () { DIEM A , B, AB; //khai bao 3 diem A, B, AB; Nhap ( A ); Xuat ( A ); Nhap ( B ); Xuat ( B ); cout<<“\n Tong cua hai diem vua nhap ... PHANSO NghichDao(PHANSO ps); PHANSO Nhan(PHANSO ps1, PHANSO ps2); PHANSO Chia(PHANSO ps1, PHANSO ps2); PHANSO Tru(PHANSO ps1, PHANSO ps2); PHANSO Cong(PHANSO ps1, PHANSO ps2); int SoSanh(PHANSO ... phan so vua nhap: "; XuatMangPS (a, n); max=TimMax (a, n); cout<<"\nPhan so co gia tri lon nhat: "; XuatPS(max); s=TongCacPS (a, n); cout<<"\nTong gia...