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课时1:0-introduction-1
29:48
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课时2:0-introduction-2
26:13
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课时3:1-1-motion-1
25:37
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课时4:1-1-motion-2
26:53
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课时5:1-2-forces and shape
31:47
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课时6:1-3-effects of forces on movement-1
31:09
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课时7:1-3-effects of forces on movement-2
32:28
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课时8:2-1-electric circuits-1
32:38
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课时9:2-1-electric circuits-2
38:17
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课时10:2-2-static electricity
24:25
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课时11:3-1-properties of waves
35:39
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课时12:3-2-different waves-1
29:41
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课时13:3-2-different waves-2
30:38
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课时14:3-2-different waves-3
25:53
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课时15:4-1-energy transfers-1
22:21
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课时16:4-1-energy transfers-2
30:54
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课时17:4-2-energy resources
30:49
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课时18:5-solids, liquids and gases-1
25:19
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课时19:5-solids, liquids and gases-2
29:00
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课时20:6-magnetism and electromagnetism-1
34:42
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课时21:6-magnetism and electromagnetism-2
18:52
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课时22:7-radioactivity and particles-1
28:37
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课时23:7-radioactivity and particles-2
34:33
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课时24:8-astrophysics
40:44
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课时25:review-1
30:10
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课时26:review-2
21:17
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课时27:review-3
24:10
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课时28:review-4
28:47
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课时29:review-5
25:29
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课时30:review-6
29:54
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课时31:review-7
27:03
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课时32:review-8
28:56
工作时间: 8:30 - 17:30
培诺教育: 4008118532