Thang nay lop 6a1 xep thu nhat duoc thuong 2 goi keo va 3 goi banh .So keo moi goi la 30 cai , so banh moi goi la 45 cai.De chia deu so keo va banh thanh tung phan nho lam phan thuong do vui de hoc cuoi tuan sao cho so banh keo moi phan it nhat ,hoi chia duoc may phan ? 

Ong chia keo cho cac chau ,neu chia moi chau 3 cai thi thua 5 cai ,neu chia moi chau 5 cai thi thieu 12 cai . Hoi co bao nhieu cai keo ? b/nhieu chau duoc chia keo?

Trong mot buoi lien hoan , ban to chuc da mua 96 cai keo , 36 cai banh va chia deu ra dia moi dia gom ca keo va banh co the chia duoc nhieu nhat la bao nhieu dia moi dia co may cai keo bao nhieu cai banh

De 1: Co bao nhieu cach chia 20 cai keo cho 10 dua tre sao cho moi dua tre duoc it nhat 1 cai keo ( cac cai keo giong het nhau)

De 2: co bao nhieu cach lay tu tui keo co 20 cai dem chia cho 10 dua tre sao cho moi dua duoc it nhat 1 cai ( cac cai keo giong het nhau)

ban huy co 123 cai keo . neu ban ay chia moi nguoi 10 cai thi thua 3 cai . neu chia moi ban 9 cai thi thua 6 cai . hoi co bao nhieu ban duoc chia keo ? 

Ba co 30 chiec keo chi an 2 cai va cho em them1 cai thi so keo cua chi con lai bang 3/4 so keo cua em hoi luc dau moi nguoi duoc ba ch bao nhieu cai?

Mot hoc sinh lop 4a co 1809 caia deu cho moi keo . Trong do ban lai chia deu  cho moi nguoi 3 cai . Hoi ca lop co bao nhieu cai keo

Co 327 cai keo chia deu cho 3 ban .Hoi moi ban duoc may cai keo ?

co giao chia keo cho cac chau . Neu chia moi chau 3 cai thi thua 5 cai . Neu chia moi chau 4 cai thi 3chau khong duoc chia .Hoi co giao co may cai keo