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Bonsoir je suis en 4ème j'ai besoin d'aide : Réduire chaque expression : A= 13x + 9x B= b- 4b C= 15b(au carrée) + 3b - 9b(au carré) - 5 D= 8a - 9 - 12a + 3 E= -7y + 3 + 5y -6
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J'ai besoin d'aide : On considère ce programme de calcul : • On choisit un nombre relatif • On lui ajoute -4 • On multiplie par 3 le résultat • Enfin, on ajoute 12 1) Effectuer ce programme de calcul pour : a) 2 b) -5 c)0 d) -1 2) A l'aide du calcul littéral, justifier que ce programme calcule le triple du nombre initial.
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J'ai besoin d'aide : Supprimer les parenthèses, puis réduire : A= -5 + (-a + 2) B= 4a - (-5 + a) C= -1 + (-3b + 4) D= 5 - 2y - (7 - 4y) E= 3a + 5 - (2a + 7) + (8 - 5a) F= 6 - 5c - (4 - 6c) + 5 + (7 - 2c)
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Bonjour je suis en 4 eme et j'ai besoin de votre aide : Factoriser chaque expression : A = (-7) * x + (-7) * 5 B = 5 * 7 - 5y C= z(au carré) - 5z D= -3b + 6 E= 9a - 18
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VRAIMENT BESOIN D'AIDE !!!! Tags de conformité. (So.../Neither ...) Complete with the right tag : 1. He adores soccer .......................................... I .......................................... we. .........................................my brother 2. She can't bear video-games ! .................................... I .................................... we. ............................... my parents. 3.He is keen on drama. ........................................ Sam ................................................. Sam and her sister. ........................................... I. 4. I hate Maths ! ........................... you. ........................... he. ............... my classmates 5. They're not found of Arts. ................................. I. ........................ you. ........................ she 6. He isn't interested in movies. ................................. my friends ........................... I. .................... you ! 7. They hate my drawing ! .................................. I. .................................. he. .................................... she. Merci d'avance a ceux qui m'aideront ! ;)
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J'ai besoin d'aide : Tags de conformité. (So.../Neither ...) Complete with the right tag : 1. He adores soccer .......................................... I .......................................... we. .........................................my brother 2. She can't bear video-games ! .................................... I .................................... we. ............................... my parents. 3.He is keen on drama. ........................................ Sam ................................................. Sam and her sister. ........................................... I. 4. I hate Maths ! ........................... you. ........................... he. ............... my classmates 5. They're not found of Arts. ................................. I. ........................ you. ........................ she 6. He isn't interested in movies. ................................. my friends ........................... I. .................... you ! 7. They hate my drawing ! .................................. I. .................................. he. .................................... she. Merci d'avance a ceux qui m'aideront ! ;)
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Exprimer la "conformité positive" grâce à SO + auxiliaire (ou modal) + sujet après chacune des phrases. Ex : They went to London yesterday. (we) --> So did we. 1.Peter's very good at History. (his brother) 2. He's understood everything. (I) 3. I know Bill Grant very well (Patricia) 4.The Richardsons will be there by 10. (you) 5. I'd be very pleased to meet them. (they) 6. Your brother can run very fast. (I) 7. You were very late at school. (she) 8. He'd seeb them before. (we) 9. We can do this exercice. (they) 10. They had gone to England before. (she) 11. We love riding horses during holidays. (I) 12. She finishes her work quickly. (he)
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Complétez les phrases suivantes avec des "question tags". Ex: You'd been there before, ... --> hadn't you ? 1. They weren't wainting for us, .................................... 2.John can speak Italian,.......................................... 3.The Lawsons arrived yesterday,............................................ 4. Richard likes playing the piano, ............................................. 5.Let's have a cup of tea, .................................. 6. She can swim, ............................................ 7.Peter was very pleased, ...................................... 8. You didn't call me, ................................ 9. I am too early, .......................................... 10. It's very difficult,.................................................... 11. She came three days ago, .................................... 12. You've already been to the U.S.A, ......................... 13. They wouldn't like me to go away, ..................................... 14. We needn't give you more details, .................................... 15. You shouldn't drive so fast, .................... 16. He can't do it now, ......................... 17. Bill takes the bus every morning, ....................... 18. You aren't sleeping, ........................................ 19. They will give us a ring,................ 20. We don't have to go there, ....................... 21. It doesn't really hurt, ................... 22. You couldn't see John, ......................... 23. She had to answer immediately, ...................... 24. They won't send us a letter, ...............................
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Choose betwen present perfect and present perfect continuous : 1: We ... (stand) in this queue for an hour now. 2: It ... (move) much, has It ? 3: Maybe the shop assistant ... (go) somewhere. 4: John has been learning irregular verbs all day but he ... (learn) only ten. 5: Bill has been cutting onions. That's why he's crying. He ... (cut) his finger, too. 6: Susan ... (write) a short story. 7: I ... (read) it lately but I haven't read all of it yet so I can't tell you if it's any good. 8: It seems that for the last few months he ... (write) a novel. 9: .... (you, wait) long ? I'm sorry I'm mate. 10: That's O.K. I ... (look through) somewhere magazines your daughter gave me. 11: ... (she, show) you round the house ? 12: Yes, she has and I ... (think) It is rather expensive, you know. 13: Well, yes, but it's a nice house. My family and I ... (live) here for twenty years. 14: What ... (you, do) with my shoes ? 15: I ... (put) them under the bed.
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