cho day so : 1,2,3,4,...,1998,1999,2000. Tim chu so thu 2900 cua day so
cho day so 1,2,3,4,...,1998,1999,2000 .Tim chu so thu 2900 cua day so
trong day so 1,2,3,4,..... hoi chu so 8 o hang tram cua so 868 la chu so thu bao nhieu cua day
cho day so:3;8;13;18;.....chu so thu 1010 cua day so la chu so nao?
cho day so 53,56,59,62,65,...tim so hang thu 1010 cua day so
bai 1. cho day so 2, 4, 6, 8, 10... 1992
a, hoi day so do co bao chu so.
b, tim chu so 2000 cua day.
cho day so:3,8,13,18,.... chu so thu 1010 cua day so la chu so nao?
cho day so 1,2,3,4 cho den 192
day so co bao nhieu so hang
day so co bao nhieu chu so
cho day so 5, 10, 15, 20, ...tim so hang thu 125 cua day so do
