Các câu hỏi tương tự
tim so co 2 chu so biet rang neu viet xen chu so 0 vao gia 2 chu so cua nothi ta duoc so moi bang 7 lan so phai tim.
tim 1 so tu nhien co 2 chu so biet neu viet them chu so 0 vao giua hai chu so cua so do ta duoc so moi bang 7 lan so phai tim
tim so co 2 chu so biet rang neu ta viet them chu so 1 vao giua 2 chu so cua so do ta duoc so moi gap 9 lan so phai tim
tim so co hai chu so biet rang neu ta viet them chu so 1 vao giua 2 chu so cua so do ta duoc so moi gap 9 lan so phai tim
tim 1 so co 2 chu so biet rang neu viet them chu so 3 vao ben trai so do ta duoc so moi bang 5 lan sô phai tim
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 co hai chu so biet rang neu viet them chu so 3 vao ben trai so do ta duoc so moi ( co ba chu so ) bang 5 lan so phai tim
tim so co hai chu so biet rang neu ta viet them chu so 1 vao giua hai chu so cua so do ta duoc so moi gap 9 lan so phai tim
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