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
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
chi lan do vao 1 cai thung hinh lap phuong co chu vi day 24 dm 1 luong dau len den 3/4 chieu cao.1 lit dau nang 0,9kg.tim khoi luong dau chi do vao thung
luc dau thung thu nhat co nhieu hon thung thu hai la 5 lit dau . nguoi ta da ban di 10 lit dau o thung thu hai va 5 lit dau o thung thu nhat , luc nay so lit dau o thung thu hai bang 3/5 so lit dau o thung thu nhat . hoi luc dau moi thung co bao nhieu lit dau?
co 80 lit dau chua thong 2 thung . sau khi do 5 lit dau tu thung thung thu nhat sang thung thu hai thi luong dau o thung thu hai gap ruoi thung thu nhat . hoi luc dau moi thung chua bao nhieu lit dau?
Mot thung dau can nang 15kg. Sau khi dung 1/2 luong dau trong thung thi thung dau con lai can nang 8kg. Hoi thung khong co dau can nang may ki-lo-gam ?
co 80l dau chua trong hai thung .khi do 5l dau tu thng thu nhat sang thung thu hai thi luong dau o thung thu hai gap3/2 thung the nnhat .Hoi luc dau moi thung chua bao nhieu lit dau?
hai thung dau dung duoc 2700l dau neu chuyen tu thung 1 sang thung 2 thi thung 2 nhieu hon thung 1 la 500l dau hoi luc dau luong dau trong thung thu 2 bang bao nhieu phan tram luong dau trong be thu 2
luc dau thung 1 nhieu hon thung 2 la 5 lit dau nguoi ta da ban di 10 lit dau o thung thu 2 va 5 lit dau o thung thu 1 hoi luc dau moi thung co bao nhieu l dau