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Mathias Armbäck
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Topptriangelsatsen
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Vinklar
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Randvinkelsatsen
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Ma2b
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Likformighet
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Pythagoras sats
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Ma3b
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Olikheter
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Linjär optimering
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Grafer och nollställen
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Repetition av räta linjen
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Geometriska talföljdens summa
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