21 tháng 1 2021 lúc 19:40
tìm số 8
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o l m . v n
ở dòng 8
Ở cuối dòng thứ 8 từ trên xuống, cuối dòng thứ 4 từ dưới lên
ở dòng8
ở dòng tám chứ đâu
ở trên tiêu đề
cuối dòng 8