co 2 thung dau neu chuyen 21 l dau tu thung 1 sang thung 2 thi 2 thung co so l dau = nhau con neu chuyen 2 l tu thung 2 sang thung 1 thi so dau o thung 2 = 1/3 so dau thung 1 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]

co hai thung dau, luc dau so lit dau thung thu nhat gap ba lan thung thu hai, neu chuyen 15 lit tu thung thu nhat sang thung thu hai thi so lit dau trong thung thu hai bang 5/9 thung thu nhat. hoi luc dau moi thung co may lit

hai thung cotat va 3526 lit dau neu chuyen tu thung 1 sang thung 2 245 lit dau thi so dau o hai thung bang nhau .tinh so dau o thung thu hai

hai thung dung tat ca 150 lit dau.neu chuyen tu thung mot sang thung hai 23 lit dau thi thung motse bang 2/3 so lit dau o thung thu hai.

hoi lu dau 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

Co 2 thung dau,thung to chua 144 lit dau .thung nho chua dc 70 lit .Ca 2 thung dung nuoc nhung chua day.Neu do nuoc tu thung nho sang day thung to thi thung nho con 1 lit .Neu do tu thung to sang thung nho cho day thi nuoc trong thung con lai =75/100 luong nuoc luc dau .Hoi luc dau moi thung co b/n lit nuoc ?

giup mk voi ,giai ra nha 

2 thung co 60lit biet neu chuyen 10lit tu thung 1 sang thung 2 thi 1\3 so dau o thung 1 bang 1\7 so dau o thung 2tinh moi thung

Hai thung dau co tong 82lit neu chuyen 7lit tu thung thu nhat sang thung thu hai thi hai thung co so dau bang nhau.Tim moi thung