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Basic course > Topics ‐ 10 - Weight of stones ‐ Lesson 1
April 6, 2017 by Catalin Taranu 5p

Which stones have more value, the triangle stones or the square stones?
Duration: 13 minutes
 
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15 Problems
2017-04-21
11:33
marcel A very clear explanation of a narrow topic; I really like this kind of lecture.
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