Hãy nhin số 6 trong năm giây (không tính số ở đề bài)

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999

2 câu trả lời

toàn 9 chữ có 6 đâu

lộn  ngược  lại là có  số 6