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课时1:Chapter 1
61:17
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课时2:Chapter 2.1
29:00
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课时3:Chapter 2.2
31:24
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课时4:Chapter 3.1
30:16
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课时5:Chapter 3.2
20:20
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课时6:Chapter 3.3
20:48
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课时7:Chapter 3.4
37:49
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课时8:Chapter 3.5
40:37
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课时9:Chapter 4.1.1
24:33
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课时10:Chapter 4.1.2
20:59
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课时11:Chapter 4.2
36:37
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课时12:Chapter 4.3 and 4.4
31:35
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课时13:Chapter 4.5 例题12/15
22:37
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课时14:Chapter 4.5 例题13/14/16/17
26:30
工作时间: 8:30 - 17:30
培诺教育: 4008118532