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A.E.E2 EB9 Maths Noel 2011

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Posted on January 9, 2012 Full Size| Slideshow

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7 Comments

natacha
1:27 PM on January 16, 2012 
(4x-1)^2=16x^2-8x-1 donc en fin de toute l'equation m doit etre egale a 16
Elissa Khoueiry
2:03 PM on January 14, 2012 
moniseur il devait ecrire (a^2 + b^2 - 2ab )
mazenhabib
11:20 AM on January 14, 2012 
en fait Alondra, b^2 pas b.
Alondra M.
10:57 AM on January 14, 2012 
il a developpe faux il a ecrit "a au carre - 2ab" seulement or il devait ecrire "a au carre - 2ab +b"
mazenhabib
9:58 AM on January 14, 2012 
Elissa, ou est l'erreur dans le developpement de ton ami de classe Tony?
Tony, vous pouvez aussi repondre a cette question.
Elissa Khoueiry
10:23 AM on January 13, 2012 
C'est une identite remarquable :)
mazenhabib
3:18 PM on January 9, 2012 
Tony, developpez ( 4x -1 ) ^ 2 .
qu'est ce que vous aurez?

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