0.1 lecture vide part 1

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    0.2 lecture vide part 2

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    0.3 homework part 1

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    0.4 homework part 2

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    0.5 answers homework part 2

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    0.6 video answers homework part 2

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    0.7 homework part 3

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    0.8 answers homework part 3

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    0.9 organic exam

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