際際滷shows by User: LongPham4 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: LongPham4 / 際際滷Share feed for 際際滷shows by User: LongPham4 https://public.slidesharecdn.com/v2/images/profile-picture.png V狸 n動畛c qu棚n th但n, v狸 d但n ph畛c v畛! V畛 l th但n ch畛 v v畛 l d但n! ________________________ V狸 v畛 qu棚n th但n v狸 v畛 ph畛c v畛(?) Tam o畉n lu但n tr棚n sai quy t畉c, quy lu畉t no? Ans: Quy t畉c th畛 2, kh担ng chu d Ng動畛i t畛t.