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Timothee971974
@Timothee971974
February 2021
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Bonjour,
Juste la 2
1. Développer et réduire l’expression : A = (x + 1) (2x + 7) – 2x2 – 7
Le résultat = 9x
2. Sans calculatrice, et en utilisant le résultat de la question 1., calculer : 9 001 × 18 007 – 2 × 9 000^2 – 7.
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Timothee971974
November 2023 | 0 Respostas
Bonjour je ne comprends pas mon devoir de SVT sur les climats passés et j'aimerais bien votre aides. Merci d'avance pour ce qui vont arriver à répondre.
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Timothee971974
November 2023 | 0 Respostas
Bonjour je ne comprends pas mon devoir de SVT sur les climats passés et j'aimerais bien votre aides.Merci d'avance pour ce qui vont arriver à répondre.
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Timothee971974
June 2021 | 0 Respostas
Bonsoir J’ai besoin d’aide svp Merci
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Timothee971974
June 2021 | 0 Respostas
Bonjour, Développer et réduire: A = (x + 1) (2x + 7) – 2x2 – 7
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Timothee971974
May 2021 | 0 Respostas
Bonjour. 2 arguments et 2 exemples en faveur des nouveaux moyens de communication. Merci.
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Timothee971974
May 2021 | 0 Respostas
Bonjour Il faut conjuguer les verbes en anglais soit au prétérit soit au présent perfect et expliquer son choix. Merci Read the text about climate change. Put the verbs into the correct form: Past Simple or Present Perfect. Use long forms if possible. At the moment, scientists agree that the world's climate ..........................(become) warmer over the past 50 years, but they disagree about the causes. Some believe that human activities ...........................(cause) climate change. They argue that for 1,000 or 2,000 years before 1850, when records ...........................(begin) , the temperature was more or less stable. Short warm or cold periods .........................(occur) during that time, but the climate ...........................( always return) to the same level, However, since the Industrial Revolution, human beings ..........................(burn) more and more fossil fuels, such as coal and oil. In 1800 the atmosphere .....................(contain) around 280 parts per million of carbon dioxide (CO2). Since then there ......................(be) an increase of about 31 %. This extra carbon dioxide .........................(raise) the world’s temperature because of the greenhouse effect. Other scientists disagree that human activities over the past 50 years ......................(cause) global warming. They point out that volcanoes and other natural processes .........................(always release) CO2 into the atmosphere, and that human activity ......................(contribute) a rise in CO2 of only three per cent. In 1999, 156 countries ................................(sign) the Kyoto protocol, part of a United Nations agreement on climate change, which .......................(come) into force in 2005. They ...............(agree) to reduce their emissions of CO2 and other greenhouse gases, although, some countries, such as the USA and Australia, ...............................(not take) any action so far.
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Timothee971974
May 2021 | 0 Respostas
Bonjour, Comment retrouver l’adresse IP d’une personne sur un site de dialogue... Devoir de techno Merci
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Timothee971974
April 2021 | 0 Respostas
Bonsoir, Avez vous la réponse svp ? Merci Quel message veut faire passer cette affiche ?
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Timothee971974
April 2021 | 0 Respostas
Bonjour, Avez-vous la réponse à cette question ? Merci En quoi cette image est-elle une vision partisane de l’affrontement entre les blocs?
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Timothee971974
February 2021 | 0 Respostas
Bonsoir j'aurais besoins d'aide pour l'exercice 2 de mon devoirs de maths à rendre pour demain. ( Dans l'exercice 2 : CD = 3,9 cm AC = 5,5 cm )
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