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

hai thung dung dau. thung thu nhat co so dau bang 5/7 so dau thung thu hai, neu chuyen 8 lit tu thung thu hai sang thung thu nhat thi so dau hai thung bang nhau. hoi moi thung chua bao nhieu lit dau

hai thung chua 86 l dau neu do 9 l dau tu thung thu 1 sang thung thu 2 thi so dau o thung thu 2nhieu hon so dau con lai o thung thu 1 la 14l hoi lucs dau moi thung chua bao nhieu l dau

2 thung dung 275 l dau neu rot tu thung thu 1 sang thung thu 2 33l dau thi thung thu 2 hon thung thu nhat 15 l dau hoi moi thung co bao nhieu l dau

co 2 thung dau thung thug thu nhat sau khi lay ra 12l thi so dau con lai bang 1/3 thung thu 2, thung thu hai lay ra 5l thi con lai trong thung 49l. hoi hai thung co may l dau

hai thung thu nhat chua 40 lit dau, neu lay 5 lit dau tu thung thu nhat sang thung thu hai thi so dau o hai thung bang nhau. hoi so dau o thung thu nhat chua bao nhieu lit dau

3 thung dau chua tong cong 90 l dau biet rang neu rot ra 1/5 so dau o thung thu 1 rot1/3 o thung thu2 va 3/7 o thung thu 3 thi so dau o 3 thung bang nhau hoi moi thung co bao nhieu l dau

co hai thung dau , thung 1 dung duoc bang 3/4 thung thu hai , biet neu chuyen tu thung hai sang thung thu nhat 25l dau thi so dau o hai thung bang nhau . Hoi luc dau moi thung co bao nhieu l dau ?[giup minh voi]

hai thung dung 154 l dau , neu rot 15l tu thung thu nhat sang thung thu 2 thi so dau o thung thu hai bang 4/3 so dau o thung thu nhat . tim so dau o moi thung luc dau.