Các câu hỏi tương tự
co bao nhieu so co 3 chu so duoc viet boi cac chu so 0 2 3 4
co bao nhieu so co 4 chu so khac nhau duoc viet boi cac so 0,1,2,3,4,5,6.
co bao nhieu so co 3 chu so duoc viet boi cac chu so 0,2,3,4
Co bn so co 4 c/s k/n viet boi cac chu so 0;1;2;3;4;5;6
Hay cho biet co bao nhieu so thap phan co 2 chu so o phan thap phan duoc viet boi cac chu so 0. 3. 5.8ma co du mat 4 chu so do
co bao nhieu so co 4 chu so khac nhau viet boi cac chu so 0,1,2,3,4,5,6 ?
cho so A= 12345...2011201220132014(A duoc viet boi cac chu so lien tiep tu 1 den 2014 hoi so A co bao nhieu chu so 1
co the viet duoc bao nhieu so thap phan co 3 chu so khac nhau tu cac chu so 1,2,3 trong cac so viet duoc co bao nhieu so co 1 chu so o phan thap phan
co bao nhieu so co 5 chu so khac nhau viet boi cac chu so 1,2,3,4,5,6 7?