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Elofcn
@Elofcn
April 2019
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Bonjour, est-ce que vous pouvez m'aider s'il vous plait, pour mon devoir qui est en pièce jointe, c'est le numéro 146 merci! :-)
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savannah2010
Soit x l'age de julien et y l'age de son jeune frère :
(x+y)+(x-y)=44
x+y+x-y=44
2x=44
x=44/2=22
quentin a donc 22 ans
0 votes
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Merci, voici le devoir.
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(x+y)+(x-y)=44
x+y+x-y=44
2x=44
x=44/2=22
quentin a donc 22 ans