99999999999999999999999999999999999999999999999999999999999999999999999999
99999999999999999999999999999999999999999999999999999999999969999999999999
99999999999999999999999999999999999999999999999999999999999999999999999999
99999999999999999999999999999999999999999999999999999999999999999999999999
99999999999999999999999999999999999999999999999999999999999999999999999999
99999999999999999999999999999999999996999999999999999999999999999999999999
99999999999999999999999999999999999999999999999999999999999999999999999999
Hỏi có bao nhiêu số 6?(Không tính câu hỏi nha các bạn)
2 so sau nha
Có 2 số 6