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  • homothétie

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  • parcelles 6ème

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  • Sans titre

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  • Les deux tours

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  • d'une configuration à l'autre

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  • Les triangles semblables AA- CCC

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  • triangles semlables

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  • A cube is dissected into three yangma

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  • de la pyramide au cône

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  • le potager

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  • carré-triangle

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