Pass conditionGrade：60 Fraction
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week02_ch7.2_7.4
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week03_ch7.4_7.6
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week04_ch7.6_7.13
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week05_ch7.13_8.5
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chapter6-quick review and Chapter 7
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week06_ch8.5_8.9
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week07_ch8.9_end
- Course Introduction
- Course Plan
- 評論
