Bonjours pouvez vous m'aider j'ai rien compris :

En sachant que la vitesse de propagation de la lumière , appelée la célérité , c , est de 300 000 Km.s-1 , déterminer la valeur d'une année lumière en Km . en utilisant l'Application littéral et l' application numérique est une conclusion . svp aider moi j'ai rein compris merci .
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Bonjour pouvez vous m'aider a faire ces exercice svp . Exercice 1 : Complète l'énoncer réécrit au style indirect avec la forme verbale qui convient : 1) I don't remember thier names . = He said that he …......... thier names . 2) We 're getting married in july . = They told us that they …....in july. 3) Why does she call you pet ? = He asked me why......pet . 4) I've been thinking of you , she told him . = She said that she …..... 5) He 'll never finish his work on time ! = She said that ….....his work on time . Exercice 2 : Réécrivez les questions au style indirect passé en utilisant l'amorce : she didn't know... 1) What has happened ? = 2) Where are the kids ? = 3) Who did they talk to ? = 4) What does that mean ? = 5) What did the police say ? = 6) How long are they staying with them ? = 7) When will they come back ? = Exercice 3 : Julia téléphone à Bob : réécrivez ce qu'elle dit au style indirect passé à l'aide de advise , ask , say , tell , suggest . 1) I can't find the key to my locker ! = Julia said to Bob that …. 2) We arrived yesterday . = 3) Have you heard about the hurricane ? = 4) Why don't you come and see us tomorrow ? = 5) You should try again next week . = Exercice 4 : Clare écoute son père : réécrivez les énoncés suivants au style indirect passé en utilisant les verbes introducteurs advise , ask , say , tell 1) Are you sure you want to become a star , Clare ? = 2) Listen to me ! I'm your father after all ! = 3) You've been wasting your time for too long now .Be sensible ! = 4) Why don't you take up language studies ? You're so good at languages ! =
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