... so'),nl,thoihoc.thoihoc1(X):- X>10,write('Ban nhap sai DTB<10'),nl,thoihoc.thoihoc1(X):-X<4,write('Ban da bi thoi hoc'),nl,chuongtrinh.thoihoc1(X):- X>=4,write('ban ... Khánhhoi1(X):- X>10,write('Dtb phai nho hon hoac bang 10'),nl,hoi.hoi1(X):- X<0,write('Dtb phai lon hon hoac bang 0'),nl,hoi.hoi1(X):- X<4,write('Ban da bi thoi ... nghiep'),thongtin4.thongtin4:-nl,write(' 10. Thoat'),nl,write(' Ban chon (1 10): '),read(X),chon1(X).chon1(X):- X=:=1,nl,hoi.chon1(X):-X=:=2,thoihoc.chon1(X):- X=:=3,duocthi.chon1(X):-...