an cho hai la;
45.4/9 = 20
an cho lan la;
45.20/100 =9
an cho hai la;
45.4/9 = 20
an cho lan la;
45.20/100 =9
an co 24 cai keo binh co 28 cai keo cuong co so keo bang trung binh cong cua 3 ban hoi cuong co bao nhieu cai keo
ba ban Phuong , Hong , lan co tat ca 27 cai keo. Neu Lan cho Phuong 5 cai, Phuong cho Hong 3 cai, Hong lai cho Lan 1 cai thi so keo bang nhau . Hoi luc dau moi ban co bao nhieu cai keo ?
Dung co so keo gap 4 lan so keo cua Binh . Nếu Dung cho Binh 6 vien keo thi so keo cua 2 ban bang nhau . Hoi lúc dau moi ban co bao nhieu vien
Mot ban chia so keo trong 1 goi keo ra lam 3phan . phan 1 co 1/6 so keo trong goi , phan 2 co 1/3 so keo trong goi, biet so keo cua phan 3 it hon so keo hai phan dau la 2 cai . Hoi sau khi chia trong goi keo con thua ra may cai keo ?
So keo cua An bang 3/4 cua Binh.So keo cua Binh bang 2/3 cua Cuc. Biet tong so keo cua 3 ban la 195 vien.Tim so keo cua moi ban
Minh va Binh co tong cong 80 vien keo , ve Minh an het 30 vien keo nen so keo cua minh bang 5/2 so keo cua Binh.Hoi luc dau moi ban co bao nheu vien keo?
an co 30 cai keo.binh co 40 cai keo.tim trung binh so keo 1 ban
Binh va Minh co tat ca 80 vien keo. Sau khi minh an 3 vien thi so keo cua binh bang 2/5 so keo cua Minh . Hoi luc dau moi ban co bn vien keo?
chi hong co 42 vien keo,chi hong cho an 2/7 so keo ,cho binh3/5 so keo con lai sau khi cho an.hoi an va binh moi ban nhan duoc bao nhieu vien keo?