Em giai thu nhe: Do di truoc do thang.
P8-2/p2-8 2.tg6.1/B5.1 3.tg6.1/B5.1 4.p9-3/p2-3 5.p2.8/p3/8
toi day xanh phe phao nen thua.
Do may loi nen khong co tieng Viet. Xin loi SM.