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Estellebrl83
@Estellebrl83
May 2019
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Merci de m’aider pour l’exercice 2
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ilovemymom
Verified answer
Bonsoir,
1) 5+3=8, 8*=64-25=39-11=28 , donc on trouve 28 si on choisi 5
2) x+3, (x+3)*=x*+6x+9-x* =6x+9-11=6x-2
3)
f(x)=6x-2
6x-2=7
6x=9, x=9/6=3/2
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Eliott78
Bonsoir,
Ci-joint fichier avec les explications qui, j'espère, t'aideront à résoudre ce problème.
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Lista de comentários
Verified answer
Bonsoir,1) 5+3=8, 8*=64-25=39-11=28 , donc on trouve 28 si on choisi 5
2) x+3, (x+3)*=x*+6x+9-x* =6x+9-11=6x-2
3)
f(x)=6x-2
6x-2=7
6x=9, x=9/6=3/2
Ci-joint fichier avec les explications qui, j'espère, t'aideront à résoudre ce problème.