-
课时1:EX1 2-例题1
04:34
-
课时2:EX2 2-例题2
04:57
-
课时3:EX3 2-例题3
02:27
-
课时4:EX4 2-例题4
06:01
-
课时5:EX5 2-例题5
06:09
-
课时6:EX1 3-例题1
05:43
-
课时7:EX2 3-例题2
05:56
-
课时8:EX3 3-例题3
05:54
-
课时9:EX 4-牛二例题
07:33
-
课时10:EX1 4-例题1
02:37
-
课时11:EX2 4-例题2
04:08
-
课时12:EX3 4-例题3
03:26
-
课时13:EX4 4-例题4
06:53
-
课时14:EX 5-例题
11:18
-
课时15:EX1 6-例题1
02:15
-
课时16:EX2 6-例题2
02:19
-
课时17:EX3 6-例题3
05:44
-
课时18:EX1 7-例题1
01:21
-
课时19:EX2 7-例题2
02:09
-
课时20:EX3 7-例题3
05:02
-
课时21:EX4 7-例题4
03:24
-
课时22:EX1 8-例题1
01:07
-
课时23:EX2 8-例题2
02:11
-
课时24:EX3 8-例题3
02:53
-
课时25:EX4 8-例题4
03:11
-
课时26:EX1 10-例题1
02:38
-
课时27:EX2 10-例题2
07:14
-
课时28:EX3 10-例题3
04:13
-
课时29:EX1 11-例题1
01:45
-
课时30:EX2 11-例题2
03:33
-
课时31:EX3 11-例题3
03:11
-
课时32:EX4 11-例题4
04:51
-
课时33:EX1 12-例题1
05:04
-
课时34:EX2 12-例题2
05:13
-
课时35:EX3 12-例题3
08:44
-
课时36:EX1 13-例题1
04:57
-
课时37:EX2 13-例题2
02:23
-
课时38:EX3 13-例题3
03:22
-
课时39:EX4 13-例题4
06:10
-
课时40:EX1 14-例题1
02:12
-
课时41:EX2 14-例题2
02:40
-
课时42:EX3 14-例题3
01:52
-
课时43:EX4 14-例题4
08:22
-
课时44:EX5 14-例题5
06:19
-
课时45:EX1 15-例题1
01:34
-
课时46:EX2 15-例题2
01:17
-
课时47:EX3 15-例题3
05:06
-
课时48:EX4 15-例题4
04:15
工作时间: 8:30 - 17:30
培诺教育: 4008118532