Tìm số 3 trong hàng trăm số 8 này.
888888888888888888888388888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888
số 3 đó đang đứng ở hàng thứ 22 trong dãy số 8
Gia Bảo:10 đ