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Justemama
@Justemama
May 2019
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Bonsoir à tous, pouvez-vous m’aider pour les exercices 23 et 24 ce serait gentil... merci.
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aymanemaysae
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Bonsoir ;
Veuillez-voir le fichier ci-joint .
0 votes
Thanks 1
loulakar
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Bonjour,
Exercice 23 :
Compléter les égalités :
a) 2 * (x + 3) = 2 * x + 2 * 3
b) 5 * (7 - y) = 5 * 7 - 5 * y
c) 6(x + 11) = 6 * x + 6 * 11
d) 3(2y + 1) = 3 * 2y + 3 * 1
Exercice 24 :
Développer les expressions :
A = 3(x + 5) = 3 * x + 3 * 5 = 3x + 15
B = 5(6 - x) = 5 * 6 - 5 * x = 30 - 5x
C = 10(3 + x) = 10 * 3 + 10 * x = 30 + 10x
D = 7(x - 3) = 7 * x - 7 * 3 = 7x - 21
E = 4(2x + 3) = 4 * 2x + 4 * 3 = 8x + 12
F = 2(5x - 9) = 2 * 5x - 2 * 9 = 10x - 18
0 votes
Thanks 1
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Bonjour, pouvez vous m'aider s.v.p. Merci d'avance !
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Verified answer
Bonsoir ;Veuillez-voir le fichier ci-joint .
Verified answer
Bonjour,Exercice 23 :
Compléter les égalités :
a) 2 * (x + 3) = 2 * x + 2 * 3
b) 5 * (7 - y) = 5 * 7 - 5 * y
c) 6(x + 11) = 6 * x + 6 * 11
d) 3(2y + 1) = 3 * 2y + 3 * 1
Exercice 24 :
Développer les expressions :
A = 3(x + 5) = 3 * x + 3 * 5 = 3x + 15
B = 5(6 - x) = 5 * 6 - 5 * x = 30 - 5x
C = 10(3 + x) = 10 * 3 + 10 * x = 30 + 10x
D = 7(x - 3) = 7 * x - 7 * 3 = 7x - 21
E = 4(2x + 3) = 4 * 2x + 4 * 3 = 8x + 12
F = 2(5x - 9) = 2 * 5x - 2 * 9 = 10x - 18