hay cho biet co tat bao nhieu so co 4 chu so chi het cho 5 du 1
lop 6a xep thanh 3,4,6 thi deu du 1 hoi lop do co bao nhieu em
de tien toi 30 nam ngay thanh lap truong hoi cuu hoc sinh Luong the vinh da danh ky mot phong tai truong de gap mat dai dien cac khoa. luc dau phong co 120 ghe dcxep thanh tung xay co so ghe tren mot ghe nhu nhau nhung thuc te phai xep them mot day va moi day them hai ghe thi moi du cho cho 156 cuu hoc sinh ve du hoi luc dau phong co bao nhieu day va bao nhieu ghe
co 5 cai goi me co 2 cai goi con co 3 cai goi neu me co 8 cai goi thi me co 5 cai goi con co 3 cai goi nua .neu me co 10 cai goi thi me co 5 cai goi con co 5cai goi hoi neu me co 20cai goi thi con co bao nhieu cai goi ,me co bao nhieu cai goi ?
cac ban giai giup minh nhe:co day so tu 1,2,3......,49.Theo cac ban co bao nhieu cach sap xep 6 chu so ko trung nhau
Vi du: 1,2,3,4,5,6
1,2,3,4,5,7
1,2,3,4,5...49
1con ga co bao nhieu long
ai biet ; co 26 con vit co 5 con ga co 660574823618 con heo hoi 509876 nay co bao nhieu con
hinh bat giac deu co bao nhieu do?
Co 586639nguoi an trong 1 chiec ban hoi co bao nhieu nguoi an trong 1 chiec ban