Tim hai so co tong bang 506 biet rang neu them mot chu so 0 vao ben phai so be thi duoc so lon.
tim hai so co tong bang 412 biet rang neu viet them 1 chu so 3 vao ben phai so be thi duoc so lon
cho hai so tu nhien co tong la 88522 tim so be biet rang neu xoa chu so 7 o hang nghin cua so lon thi duoc so be vay so be la.......
cho hai so tu nhien co tong bang 8852. tim so be biet rang neu xoa chu so 7 o hang nghin cua so lon thi duoc so be. so be la
tong cua hai co la 638.tim so lon,biet neu xoa chu so 5 o hang tram cua so lon thi duoc so be. tim so lon
cho 2 so tu nhien co tong la 8852 tim so be biet rang neu xoa chu so 7 o nhang nghin cua so lon thi duoc so be tim so be
tim hai so co tong bang 165 biet rang
neu viet them 1 chu so 0 vao ben phai
thi duoc so lon va tong moi bang 318
tim hai so co tong la 297 neu viet them chu so 0 vao ben phai cua so be thi ta duoc so lon
tim 2 so biet hieu la 332 biet rang neu viet them 1 chu so vao ben phai so be thi duoc so lon