nguoi ta viet lien nhau cac so tu nhien:123456...
a,hoi chu so hang don vi cua so 1998 dung o hang thu may?
b,chu so viet o hang thu 429 la chu so nao?
Nguoi ta viet lien nhau cac so tu nhien : 123456....
a, Hoi chu so hang don vi cua so 1998 dung hang thu may ?
b, chu so viet o hang thu 429 la chu so nao ?
so co 3 chu so thu 456 la so nao ?????????????????
so co 3 chu so thu 579 la so nao
so co 3 chu so thu 123 la so nao
so tu nhien co 4 chu so thu 235 la so nao ?
viết các số tự nhiên liên tiếp từ 1.hoi chu so thu 2004 la chu so nao
cho day so 1 , 2 ,3 ,4 , ... ,2006 . a) hoi day so tren co bao nhieu chu so . b) day so co tat ca bao nhieu chu so 5 . c) chu so thu 206 la chu so nao
so co 3 chu so thu 123 la so nao ?