may em + ko choi nen khoa do acc 9...neu 5 NV thi khoa 4 NV fu...1 acc 9 o khoa'...neuu' con` choi thuong` xuyen.....con ko choi thg` xuyen thi` khoa'...luon 5 NV....^^.....neu' mat do`....thi cung~ 1 NV acc 9...de~ kem soat do`....^^..AD kiem tra dum` vu mat do` + hack do`.ki`a.....