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37:35
北师大版数学八年级下册《角平分线》教学视频，袁小娜
北师大版数学八年级下册《角平分线》教学视频，袁小娜
40:04
北师大版数学七年级上册《角平分线》教学视频，赵雅丽
北师大版数学七年级上册《角平分线》教学视频，赵雅丽
39:17
北师大版数学八年级下册《角平分线》教学视频，钱艳杰
北师大版数学八年级下册《角平分线》教学视频，钱艳杰
32:13
科普版小学英语五年级上册《Lesson 8 Would you like some potatoes》教学视频，郭盼盼
科普版小学英语五年级上册《Lesson 8 Would you like some potatoes》教学视频，郭盼盼
37:33
科普版小学英语五年级上册《Lesson 9 How many cakes do you want》教学视频，赵晓利
科普版小学英语五年级上册《Lesson 9 How many cakes do you want》教学视频，赵晓利
27:56
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，江西徐勇
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，江西徐勇
37:35
科普版小学英语六年级上册《Lesson 3 It will be sunny this Sunday》教学视频，周晓燕
科普版小学英语六年级上册《Lesson 3 It will be sunny this Sunday》教学视频，周晓燕
36:56
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，李莉
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，李莉
39:36
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，徐利梅
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，徐利梅
42:19
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，程游游
科普版小学英语六年级上册《Lesson 4 What kind of books will you buy》教学视频，程游游
46:04
科普版小学英语六年级上册《Lesson 5 Revision》教学视频，内蒙古刘婕
科普版小学英语六年级上册《Lesson 5 Revision》教学视频，内蒙古刘婕
44:52
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，邵建英
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，邵建英
37:55
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，王海英
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，王海英
23:30
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，仝园园
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，仝园园
39:07
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，白亚平
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，白亚平
38:41
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，樊江岩
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，樊江岩
35:01
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，王梦竹
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，王梦竹
35:26
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，张晓旭
科普版小学英语六年级上册《Lesson 6 It's on the fifth floor》教学视频，张晓旭
48:39
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，马俊峰
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，马俊峰
37:02
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，任紫微
科普版小学英语六年级上册《Lesson 8 Merry Christmas!》教学视频，任紫微
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