H-c sinh l-p 9 m-t t- n-n h-c du-ng vi-t nam - chan nuoi heo
14:27
554
382
10:25
760
435
23:14
398
292
07:00
435
271
15:10
428
306
05:16
301
174
17:18
476
220
08:36
171
115
45:41
8900
6000
05:09
2
2
12:35
1100
571
05:00
12
8
05:00
0
1
07:00
300
243
05:12
0
0
23:09
218
254
05:10
3
0
05:46
3800
2600
38:37
274
148
06:46
372
94
05:04
6
7
05:12
86
46
06:35
0
0
08:01
1700
1100
07:45
441
281
05:00
2800
1700
05:15
309
179
11:30
42
30
05:08
0
0
06:40
1
0
05:00
292
150
09:12
0
1
12:00
77
74
05:00
80
50
05:01
4
6
05:12
86
46
06:35
0
0
12:00
77
74
07:00
28
2
05:06
3
0
07:07
3
1
41:48
87
19