san luong lua cua khu vuc a lon hon san luong luc cua khu vua b la 26% mac du dien tich cua khu vuc a chi lon hon khu vuc b la 5% . hoi nanh suat thu hoach cua khu vuc a nhieu hon khu vua b la may phan tram.
Giup minh nha , ai tra loi dung nhanh day du minh like cho 3 cai