At
The small television is cheaper than the big one
-24+24=0
Vậy x=0
That he was able to sleep
1.C
2.A
3.A
4.B
5.D
Chiến thắng Chi Lăng - Xương Giang
Chiến dịch Chi Lăng - Xương Giang
D
1.D
3.D