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Elodiie93
@Elodiie93
January 2021
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Bonjour , quelqu'un peut m'aider pour les 3 exercices de mathématiques svp:)
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aymanemaysae
Verified answer
Bonjour ;
1)
a) - 9 .
b) - 9 .
c) - 9 .
2) (x + (- 3)) - 10 + (- x) + 4 .
3) Sarah a raison , car :
(x + (- 3)) - 10 + (- x) + 4 = (x - 3) - 10 + (- x) + 4
= x - 3 - 10 + (- x) + 4 = x - 3 - 10 - x + 4 = - 9 .
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Elodiie93
Merci
aymanemaysae
De rien .
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Bonjour , je dois trouver l'echelle de ce plan. Quelqu'un peut m'aider svp
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Verified answer
Bonjour ;1)
a) - 9 .
b) - 9 .
c) - 9 .
2) (x + (- 3)) - 10 + (- x) + 4 .
3) Sarah a raison , car :
(x + (- 3)) - 10 + (- x) + 4 = (x - 3) - 10 + (- x) + 4
= x - 3 - 10 + (- x) + 4 = x - 3 - 10 - x + 4 = - 9 .