Upload
buinguyet
View
221
Download
6
Embed Size (px)
Citation preview
1
2
4
5
6
7
8
1 2
9 9
11 11
12
13
14 14
15
16 16
17
18 18
19
21
22
700
500
300
100
800
600
400
200
4,000
2,000
30
5,000
3,000
1,000
40
23
24
25
26
27
28
29 29
31
32
33
34
35 35
36