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huynguyentla
15-11-2003, 07:51
co cao thu nao lam ho bai nay:
tao 1 bang ds (msv,ht,lop)va diem(msv, dt)
thuc hien cac yeu cau sau: tinh tong diem cho cac thi sinh
2.tao 1 view chua 2 bang tren
lam luon nhe