Tren mot thua vuon hinh thang co do dai 2 day la 50m va 70m , chieu cao bang trung binh cong cua hai day . Nguoi ta su dung 30% dien tich de trong du du la 25% dien tich de trong chuoi a Hoi co the teong bao nhieu cay du du , biet rang trong moi cay du du can 1,5 m vuong dat ? b Hoi so cay chuoi trong duoc nhieu hon so cay du du la bao nhieu cay , biet rang trong moi cay chuoi cam 1m vuong dat ? ai giup mik voi , cam on

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