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Lluís Riera
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Tir Parabòlic
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Recta perpendicular a r pel punt P
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Rectes de Regressió
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Posició de dues Rectes a l'espai.
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Producte Vectorial i Producte Escalar
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Pla donats un punt A i una recta
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El Pla: Equació Vectorial i General: …
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Posició de tres plans 3D
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Equació Vectorial i Contínua de la Recta
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Teorema de Pitàgores
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Tangent pendent màxima o mínima a una…
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Elipse: Segment lliscant
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Five Rolling Triangles
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Area Models for Improper Fractions – …
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Graph the Line
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Sections of Triangular Prisms
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The foci of an ellipse, reflected acr…
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Triangle Paradox (Missing square puzzle)
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