Originally Posted by canhdieubay

500 trieu nay , thi 400 tram trieu vao tui thang cho 3dung roi , con lai 100 trieu thi tui dan em no chia het , o do ma con , tui nay chi dua hginh chup de lam tro thoi , chu that su tui no chia nhau het roi , chi la 1 tro he cua mot dang cs thoi nat o vn