tim so co 4 chu so biet rang chu so
hang don vi khac 0 ne viet theo thu tu nguoc lai ta duoc so moi gap 4 lan so cu
tim so co 4 chu so biet neu viet theo thu tu nguoc lai ta duoc so moi gap 9 lan số phai tim. nhanh len nhe
Tim mot so tu nhien co 2 chu so,biet rang neu viet cac chu so cua so ay theo thu tu nguoc lai thi duoc so moi gap so ban dau 3 lan va 13 don vi
tim mot so co 5 chu so , biet rang khi viet theo thu tu nguoc lai ta duoc 1 so gap 4 lan so phai tim
tim so tu nhien co 4 cs biet neu xoa di cs 3 hang nghin ta d so moi bang 4% so phai tim
tim 1 so tu nhien co 2 chu so biet rang neu viet cac chu so cua so y theo thu tu nguoc lai thi duoc so moi lay so moi chia cho so ban dau thi duoc thuong la 3 DU 13
tim so tu nhien co 4 cs biet neu xoa di cs 3 hang nghin ta dc so moi bang 4% so phai tim
tim mot so tu nhien co hai chu so, biet rang neu viet cac chu so cua so ay theo thu tu nguoc lai thi duoc so moi, lay so moi chia cho so ban dau thi duoc thuong la 3 du 13
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