Kuželosečky: Elipsa
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1:27:20
Kuželosečky: Hyperbola
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14:10
Elipsa - oskulační kružnice a bodová konstrukce
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25:45
Kuželosečky - kružnice
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56:37
Nombres Complexes - Math 2 Bac PC SVT BIOF - Cours - Part 5 (Forme trigonométrique)
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1:04:54
Kuželosečky: Kružnice
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32:21
Cvičení 1 - konstrukce elipsy
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1:03:37
Sade - Ultimate
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1:04:32