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Mathematics, 04.01.2021 15:00 santosbeti90

On considère un rectangle de longueur 7 et de largeur 5. on trace à l'intérieur de celui-ci une croix de largeur x variable comme indiqué ci-dessous.
On s'intéresse à l'aire de la croix bleue.

1. A quel intervalle x appartient-il ?

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On considère un rectangle de longueur 7 et de largeur 5. on trace à l'intérieur de celui-ci une cro...
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