Các câu hỏi tương tự
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 ?
nguoi ta viet lien nhau cac so tu nhien lien tiep duoc so 123456789101112... hoi chu so thu 2010 ke tu trai sang phai cua so tren la chu so nao
tim 1 so tu nhien biet neu xoa chu so 6 o hang don vi va chu so 3 o hang chuc cua no thi ta duoc so moi kem so phai tim 1917 don vi
Cac anh chi viet c¸ch giai giup em voi
nguoi ta viet lien nhau cac so chan lien tiep:2468101214....hoi chu so thu 2016 cua day so do la so nao?
cho 4 so tu nhienco tong bang 2192.Neu xoa chu so hang don vi cua so thu nhat ta duoc so thu hai.Neu xoa chu so o hang don vi cua so thu hai ta duoc so thu ba.Neu xoa chu so o hang don vi cua so thu ba ta duoc so thu tu.Tim so thu nhat
cho so A =1234567..............duoc viet bang cac so tu nhien lien tiep .Hoi chu so thu 1985 cua so A la chu so nao
tong cac chu so cua mot so co 2 chu so bang so tu nhien nho nhat co 2 chu so va chu so hang chuc gap 4 lan chu so hang don vi do la so nao ?
( ghi them loi giai )
tim so tu nhien co 2 chu so biet rang neu viet chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim . Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan . So can tim la
tim mot so tu nhien co 2 chu so, biet rang neu ta viet them chu so 0 vao giua chu so hang chuc va chu so hang don vi cua so do ta duoc so moi gap 7 lan so ban dau