H-c sinh l-p 9 m-t t- n-n h-c du-ng vi-t nam - chan nuoi heo
09:22
206
101
05:22
41
13
28:41
300
112
15:06
233
80
32:03
5
3
14:20
109
47
07:11
50
35
08:23
678
312
00:20
138
85
19:26
8
4
07:05
520
300
05:41
68
37
32:34
8
1
05:28
136
93
09:36
185
133
30:33
40
43
12:09
1600
980
12:20
611
369
38:37
274
148
05:52
349
134
05:36
1500
269
15:19
389
125
49:49
67
40
14:54
547
171
05:35
9
3
07:20
918
395
14:38
206
67
57:00
3
0
09:01
279
152
23:10
282
147
15:53
109
24
33:25
91
37
14:56
382
128
06:04
59
28
15:53
109
24
33:25
91
37
16:15
103
110
32:06
4000
1600
07:30
628
381
07:51
55
23
08:50
392
258
05:02
53
64