Lesson set 16. #16. #60 to 48 as well.
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54:57
311 lesson 16. 47---1
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1:02:44
311 Lesson set 17. 1-48
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42:59
311 Lesson 15. problems 60-49
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18:54
Thoughts on point-slope.
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27:29
Geometry to algebra to calculus in 20 minutes.
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45:44
lesson 14. problems 43-70
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32:20
FULL MATCH | Lin Shidong vs Ma Te | China Super League
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20:07