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Forfatter
Mari Theresa Zolfeghari
Næste
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Nye Materialer
cylinder net slider
Ellipse, Hyperbola and Circle as Envelopes
History of Maths
van Aubel's Theorem
Bottema's Theorem
Opdag Ressourcer
Cyclic Quard
Solving Quadratic Equation
Geometry Proofs
Marbel Universe
'Tangram' Puzzle 'Candle'
Udforsk emner
Skæring
Kegle
Parallelogram
Diagrammer
Særlige punkter