June 2021 2 87 Report

Comment d'écrire la composition d'un atomes ?

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de l'aide svp, dire si c est vraie ou faux pour la question 66
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Bonjours, quelqu'un peut aider svp .Il faudra expliquer si c'est vraie ou faux avec justification.. Si la proportion de A dans B est 1/4 et la proportion de B dans E est 1/4, alors la proportion de A dans E est 1/2.
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Anglais forme passive. Vous pouvez m'aidez svp. A ) Identifiez les phrases qui sont au passif. 1) He was going to see a film. 2) The film had been showing for two months. 3) It was made in the USA. 4)It has been well received by the crictics. 5)He has been waiting in the queue for 20minutes. B) Mettre ces phrases a la forme passive. 1) Somebody has found the body of Lord Arthur in the lounge. 2) They called the police at 7. 3)they will arrest the murderer soon. 4) someone must have followed Lord Arthur on his way home. 5) they did not tell me the truth.
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Correction svp. bonjours quelqu'un pourrait me corriger svp. A= (x-1)(x+1)+(x-1)^2 Developpez A) A=(x^2 +1x-1x)+[x^2-2*x*(-1)+1^2] A=x^2+1+(x^2-2x+1) A=2x^2 - 2x +2 Factoriser jai trouver A=(x-1)(2x+0)
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