troi oi,sao thang nay giong ta wa vay ta,haha,dung the,t lam bai hong bao gio bo 1 cau nao,hehe,may lan kiem tra doi tuye,de ra kho dai,tui no bo 4,5,6,7 cau.minhlam het,chang biet the nao,con tuy nguoi cham nua nhi,biet dau ngta thuong tinh....cac em thi co 1 lan,,,,thoi ma