voi 2 chu so la ma 1 va 5(so la ma) so la ma lon nhat co the viet dc
(moi chu so co the dung nhieu lan hoac ko dung)
co gia tri tuog ung trog he thap phan la
Voi 2 chu so V va X so la ma lon nhat co the viet duoc co gia tri trong he thap phan la
voi hai chu so V ; I chu so la ma lon nhat co the viet duoc la
voi hai chu so V va X co the viet duoc bao nhieu so La Ma nho hon hoac bang 30
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)
voi 2 chu so V va I co the viet duoc bao nhieu so la ma
Voi ca 2 chu so V va I co the viet duoc tat ca bao nhieu so la ma
Voi ca hai chu so V va I co the viet duoc tat ca so la ma .
voi ca ba chu so X; V; va I co the viet duoc bao nhieu chu so La Ma ?