Cho mot so co hai chu so neu ta viet chu so hai vao ben trai so do ta duoc so moi gap 5 lan so da cho tim so da cho
tim mot so tu nhien co hai chu so , biet ran neu viet them chu so 9 vao ben trai so do ta duoc mot so gap 13 lan so da cho
tim mot so tu nhien co hai chu so , biet ran neu viet them chu so 9 vao ben trai so do ta duoc mot so gap 13 lan so da cho
Neu viet them chu so 1 vao ben trai mot so co ba chu so thi ta duoc mot so gap 5 lan so da cho . Hay tim so co ba chu so do
Giai nha !
tim mot so co hai chu so biet rang neu viet them chu so 0 xen vao giua chu so hang chuc va hang don vi cua so do ta duoc so moi va neu viet them chu so hai vao ben trai so moi thi ta duoc mot so gap 6 lan so moi do
cho mot so co hai chu so.Neu ta viet chu so 2 vao ben trai so do ta duoc so moi gap 5 lan so da cho.Tim so da cho
tim mot so co 2 chu so biet neu viet them chu so 0 vao giua hai chu so cua so do ta duoc so moi gap 6 lan so da cho
so do la..........
tim 1 so co 2 chu so, biêt rang neu viet them mot chu so 0 vao giua hai chu so hang chuc va hang don vi cua so do ta duoc so moi gap 7 lan so da cho
cho mot so co hai chu so neu viet them hai chu so vao ben phai so do ta duoc mot so gap 103 lan so ban dau .tim so ban dau va so moi viet them.biet rang so ban dau co chu so hang chuc gap 3lan chu so hang don vi