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Question 1

Quelle est la formulation chimique de l'eau ?

Question 2

Quel élément du tableau périodique représente l'oxygène ?
Messages1TimelineExceptionsViews7RouteQueries7Models8GateSessionRequest
8.1.28PHP Version81.07msRequest Duration6MBMemory UsageGET exercices/{id}/{type}/{title}Route
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