Mot cua hang trong ba buoi ban dc 1/4 tan gao.buoisang ban dc 2/5 so gao do,buoi chieu ban dc 2/5 so gao con lai.Hoi buoi toi ban dc bn ta gao?
Mot manh dat hinh thang co day lon 54m,day be bang 2/3 day lon,CC bang trung binh cong cua 2 day.Tinh DT cua thua ruong do>
Giup le zoi a,tick nhoa.Iu nhiu lem o~Pac Pac>3333