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Mathematics, 29.11.2020 14:00 alyshaaa36

Bonjour j ai besoin d'aide pour un devoir pourriez vous m'aider la consigne est la suivante Inès veut réaliser un pot a crayon en plastique avec une imprimante 3D elle part d'un pavé droit P1 de dimension 9cm,9cm,12cm elle creuse dans ce pavé P1 ,un pavé droit P2de dimensions 7cm ,7cm ,11cm
1)calculer le volume du pavé droit P1
2)calculer le volume du pavé droit P2
3)calculer alors le volume de plastique utilisée pour réaliser ce pot a crayon.

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Bonjour j ai besoin d'aide pour un devoir pourriez vous m'aider la consigne est la suivante Inès veu...
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