voi ca ba chu so X; V; va I co the viet duoc bao nhieu chu so La Ma ?
dung ba chu so 0 5 8 co the viet duoc tat ca bao nhieu so tu nhien le co hai chu so?
dung ba chu so 0 5 8 co the viet duoc tat ca bao nhieu so tu nhien le co hai chu so
Voi ca 2 chu so V va I co the viet duoc tat ca bao nhieu so la ma
1) cho 5 chu so khac nhau voi cung ca 5 chu so nay co the lap duoc bao nhieu so co 5 chu so
2) viet cac so tu nhien co 4 chu so trong do co hai chu so 3, mot chu so 2va mot chu so 1
3)tim so tu nhien co tan cung bang 3 biet rang neu xoa chu so hang don vi thi so do giam di 1992 don vi
voi ca 2 chu so i va v co the viet dc may so la ma
(trog do moi chu so co the viet nhieu lan)
co bao nhieu so tu nhien co 2 chu so sao cho so do cong voi so do duoc viet theo thu tu nguoc lai cho ra ket qua so chinh phuong
B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so co 4 chu so
B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach
B3:khi viet tat ca cac so tu nhien tu 1den 100 thi
A,chu so 2 lap lai bao nhieu lan
B,chu so 3 lap lai bao nhieu lan
cac ban lam tung bai mot cung dc
cam on cac ban
B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so co 4 chu so
B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach
B3:khi viet tat ca cac so tu nhien tu 1den 100 thi
A,chu so 2 lap lai bao nhieu lan
B,chu so 3 lap lai bao nhieu lan
cac ban lam tung bai mot cung dc
cam on cac ban