tim mot so co hai chu so biet rang khi them chu so 0 vao giua hai chu so do thi duoc mot so co 3 chu so gap 9 lan so ban dau
cac ban giup minh nhe
tim 1 so co 2 chu so biet rang them chu so 0 vao giua 2 chu so thi so do duoc mt so co 3 chu so gap 9 lan so ban dau
tim mot so co hai chu so, biet rang neu them chu so 0 vao giua hai chu so do thi ta duoc mot so co ba chu so gap 9 lan so ban dau.
tim 1 so co hai chu so biet rang neu them chu s 0 vao giua hai chu so do thi duoc mot so co ba chu so gap 9 lan so ban dau
tim 1 so co 2 chu so biet rang neu them vao chu so 0 vao giua hai chu so do thi duoc 1 so co 3 chu so gap 9 lan so ban dau
so do la
tim mot so co 2 chu so , biet rang neu them chu so 0 vao giua 2 chu so do thi duoc 1 so co 3 chu so gap 9 lan so ban dau
ghi ca loi giai giup minh nha
tim so co 2 chu so biet rang neu them so 33 vao giua 2 chu so do thi duoc mot so gap 89 lan so ban dau.
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
tim 1so co 2 chu so biet rang neu them 1 chu so 0 vao giua 2 so thi so do gap 9 lan so ban dau