2 thung chua 35 lit nuoc mam neu do tu thung thu nhat sang thung thu hai 5 lit thi so lit nuoc mam o thung thu nhat bang 2/3 so lit nuoc mam o thung thu hai.hoi luc dau thung thu nhat chua bao nhieu lit nuoc mam?
1 cua hang co 398 lit nuoc mam dung trong 2 thung. neu bot o thung thu nhat 50 lit chuyen sang thung thu haithi thung thu hai se hon thung thu nhat 16 lit. hoi thung thu hai chua bao nhieu lit
co 3 thung dau dung tong cong 123 lít dau. neu do tu thung thu nhat sang thung thu hai 5 lit, thung thu hai sang thung thu ba 7 lit, tiep tuc do tu thùng thu ba sang thung thu nhat 9 lit thi so dau thung thu nhat se it hon so dau thung thu hai 4 lit và bang so dau thung thu ba. tinh so dau ban dau moi thung
1) 2 thung co tat ca 120 lit dau . Do tu Thung thu nhat sang thung thu hai so lit dau bang so dau o thung thu hai . Sau do do tu thung thu hai sang thung thu nhat so lit dau bang so lit dau dang co o thung thu nhat thi so dau o 2 thung bang nhau . Hoi luc dau 2 thung chua bao nhieu lit dau ?
2) 7 nam ve truoc tong so tuoi cua 3 me con la 48 tuoi . 6 nam sau tuoi cua me hon tuoi con nho 30 tuoi va hon con lon 24 tuoi . Tinh tuoi cua me hien nay ?
Cac ban giai chi tiet cho minh nhe !
CA hai thung co 37.15 lit nuoc.Neu thung thu nhat chuyen sang thung thu hai 2,5 lit thi thung thu hai se hon thung thu nhat 0.75 l.Hoi luc dau moi thung co bao nhieu lit nuoc
mot cua hang co 398 lit nuoc man dung trong hai thung neu bot o thung thu nhat 50 lit sang thung thu hai thi thung thu hai hon thung thu nhat 16 lit hoi moi thung chua bao nhieu lit nuoc nam
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 co tat ca 312 li dau biet rang neu bot 16 lit dau tu thung thu nhat sang thung thu hai thi thung thu hai hon thung thu nhat 24 lit dau hoi luc dau moi thung co bao nhieu lit dau
3 thung dung nuoc mam nhung chua day ,biet thung 1 co so nuoc mam = 1/3 suc chua cua no , thung 2 co so nuoc mam = 34 suc chua cua no , thung 3 co so nuoc mam = 2/5 suc chua cua no , neu do nuoc mam vao ca 3 thung cho day thi tong so nuoc mam can phai do them vao thung 1,2 la 160l,thung 2 va 3 la 120l,thung 1,3 la 90l,hoi 3 thung chua duoc bao nhieu lit nuoc mam