Parábolas

1:02:07
Elipses

4:00:37
4 Hours Chopin for Studying, Concentration & Relaxation

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Distâncias

45:12
Hipérboles

28:54
Superfícies Quádricas

4:11:53
Boost Your Brain Power with Mozart 🎶|Music to Enhance Cognitive Function, Study, or Relaxation

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Posição relativa de duas retas

11:48