1.Cuoi nam 2016 so dan o khu vuc A la 31250 nguoi.Tu cuoi nam 2016 den cuoi nam 2017 so dan khu vuc A tang 1,6%.Tinh so dan o khu vuc A den cuoi nam 2017.
2.Mot can dung day dau nang 34,5kg.Ng ta lay ra 0,4 luong dau trong can.Hoi can chua dau con lai can nang bn,biet rang cai can ko co dau nang 2kg.
Giup zoi,giup zoi nak,con 2 bai nx lat mk dang sau,giup mk hai bai nay nhoa mi ban iu,mk luoi lem,cang nhanh cang tot nhoa cac ban iu!:3333