chap 2-4

1 thông báo nek 

2 chap 2-1 

3 chap 2-2 

4 chap 2-3 

5 chap 2-4 

6 chap 2-5 

7 chap 2-6 

8 chap 2-7 

9 chap 2-8 

10 chap 2-9 

11 2-10 

12 2-11 

13 2-12 

14 2-13 

15 2-14 

16 2-15 

17 2-16 

18 2-17 

19 2-18+ 

20 2-19+ 

21 2-20 

22 2-21 

23 2-22 

24 2-23 

25 2-24 

26 2-25 

27 2-26 

28 2-27 

29 2-28 

30 2-29 

31 2-30 

32 2-31 

33 2-32 

34 2-33 

35 2-34 

36 2-35 

37 2-36 

38 2-37 

39 2-38 

40 2-39 

41 2-40 

42 2-41 

43 2-42 

44 2-43+ 

45 2-44+ 

46 2-45 

47 2-46 

48 2-47 

49 2-48 

50 2-49+ 

51 2-50+ 

52 2-51 

53 2-52 

54 2-53 

55 2-54 

56 2-55 

57 2-56 

58 2-57 

59 2-58 

60 2-59 

61 2-60 

62 2-61 

63 2-62 

64 2-63 

65 2-64 

66 2-65 

67 2-66 

68 2-67 

69 end 