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Marie1234567891
@Marie1234567891
January 2021
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Quelqu'un peut m'aider svp,c'est très urgent
L'exercice 55
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trudelmichel
Verified answer
Aire du rectangle= a/2 x 5
Aire du carré= a²
AIRE re=2 Aire CA
a/2 x5=2a²
5a/2=2a²
5a/2-2a²=0
(5a-4a²)/2=0
5a-a²=0
a(5-4a)=0
a=0 impossible
5-4a=0
4a=5
a=5/4
a²= 25/16
a/2 x5=(5/4)/2) x5=(5/8)x5=25/8 25/8= 2x 25/16
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Marie1234567891
January 2021 | 0 Respostas
Aidez moi svp, j'ai besoin d'aide
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Marie1234567891
January 2021 | 0 Respostas
J'ai besoin d'aide,aidez moi svp
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Marie1234567891
January 2021 | 0 Respostas
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Marie1234567891
January 2021 | 0 Respostas
Aidez moi svp c urgent c pour le 26/04/2016 Merci
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Marie1234567891
January 2021 | 0 Respostas
Merci en avance pour ce qui m'aide
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Verified answer
Aire du rectangle= a/2 x 5Aire du carré= a²
AIRE re=2 Aire CA
a/2 x5=2a²
5a/2=2a²
5a/2-2a²=0
(5a-4a²)/2=0
5a-a²=0
a(5-4a)=0
a=0 impossible
5-4a=0
4a=5
a=5/4
a²= 25/16
a/2 x5=(5/4)/2) x5=(5/8)x5=25/8 25/8= 2x 25/16