H-c sinh l-p 9 m-t t- n-n h-c du-ng vi-t nam - chan nuoi heo
06:09
202
84
14:21
10
34
05:25
31
7
08:27
1600
538
13:54
2800
1500
08:01
135
50
29:50
44
2
07:09
1
0
29:43
585
316
05:04
20
4
06:17
102
38
06:25
1200
540
06:01
422
552
12:12
411
99
07:10
4500
1100
06:14
165
52
05:11
528
275
29:39
276
101
21:15
173
56
06:16
101
29
13:54
541
230
06:39
88
48
32:02
367
107
06:25
1400
652
26:20
133
80
06:00
1100
369
06:23
18
4
06:11
781
265
10:25
1500
982
28:41
300
112
27:15
61
51
44:52
1
0
25:09
122
68
09:42
119
12
11:29
2700
503
05:18
204
102
06:52
14
5
25:27
149
87
27:19
312
193
09:58
30
15
24:08
142
54
10:05
418
131