Thung thu nhat co 52 l dau, thung thu hai co 56 l dau. Nguoi ta do so dau thung thu nhat sang thung thu hai thi luc do luong dau o thung thu nhat bang \(\frac{4}{5}\)luong dau o thung thu hai. Hoi nguoi ta da do bao nhieu l dau tu thung thu nhat sang tu thung thu nhat sang thung thu hai

Thung mot co 52 l dau, thung thu hai so 56 l dau. Nguoi ta do so dau tu thung thu moi sang thung hai thi luc do luong dau o thung moi bang\(\frac{4}{5}\)luong daiu o thung thu hai. Hoi nguoi ta da do bao nhieu l du tu thung moi sang thung hai

2 thung dau chua tat ca 211l sau khi lay ra o moi thung 1 so l dau bang nhau thi thung thu nhat con lai 85l thung thu hai con lai 46 l tinh so dau luc dau co o moi thung

hai thung dau chua tat ca 211lit , sau khi lay ra o moi thung 1 so lit dau = nhau thi thung 1 con 85lit thung 2 con 46lit. Tinh so dau luc đau co o moi thung

Mot cua hang co ba thung A, B, c dung dau . Trong do thung A dung day con thung B vat hung c dang la thung khong . neu do dau o thung A vao day thung b thi thung Acon 2/5 thung . . neu do dau o thung A vao day thung c thi thung Acon 5 /9 thung. Muon do dau o thung A vao day ca thung B vat hung C thi phai the 4 lit nua . Hay cho biet thung A chua dc bao nheu lit dau ?

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

Co 2 thung dau thug thu nhat hon thung thu 2 la 12 lit biet rằng neu lay bot o thung thu 2 4 lit thi so dau con lai cua thung thu 2 bang 2/5 so dau con lai cua thung thu nhat. Hoi moi thung co bao nhieu lit dau