tim 1 so tu nhien co 4 chu so biet rang neu sao tron di 2 chu so cuoi thi duoc so moi be hon 

so lon ban dau la 1496

tim 1 so co 4 chu so tu nhien biet rang neu sao tron 2 chu so cuoi thi duoc so moi be hon so ban dau la 1496

_{tim mot so tu nhien co 4 chu so biet rang neu xao di 2 chu so cuoi thi duoc so moi be hon so ban dau la 1496}

_{phan tich giup minh voi}

Trung binh cong cua 2 so tu nhien la 117 .Tim hai so do biet rang neu viet them chu so 1 vao ben trai so be thi duoc so lon .mong cac ban giai bai toan giup minh nhe va co ca loi van nha moi nguoi ?

tim so tu nhien co hai chu so biet rang neu ta them chu so 0 vao giua hai chu so thi ta duoc so moi co ba chu so gap 7 lan so ban dau?