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 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
Co ba thung dung dau , thung thu nhat dung 10 lit, thung thu hai dung nhieu hon thung thu nhat 3 lit,thung thu ba dung bang so lit dau trung binh cong cua hai thung. Hoi ca ba thung dung bao nhieu lit dau ?
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 !
luc dau thung thu nhat 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 2 thung dau , thung thu nhat hon thung thu hai la 6 l dau , biet rang 1/6 so l dau cua thung thu nhat thi bang 1/4 so dau cua thung thu hai . hoi moi thung co bao nhieu l dau
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
ba thung dau co 90 lit , so lit dau o thung thu nhat gap 3 lan so lit dau o thung thu ba . so lit dau o thung thu 2 bang 7/6 so lit dau o thung thu nhat . tinh so lit dau o moi thung