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Valentine171
@Valentine171
May 2019
1
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Bonjour, j'ai un petit soucis avec cette exercice:
Merci! :)
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nguyenso9
Verified answer
Bonjour,
1)
A = 2x (7 + 3x)
2)
A = 2x (7 + 3x)
A = 14x + 6x²
3) Tu dois remplacer x par 4
Je te laisse calculer :)
2 votes
Thanks 2
Valentine171
J'ai trouvé la première façon de le calculer:
Valentine171
7 + 3 * 4 = 7 + 12 = 19 2 * 4 = 8 19 * 8 = 161cm²
Valentine171
Par contre je n'arrive pas à trouver la deuxième façon de calculer l'aire
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Lista de comentários
Verified answer
Bonjour,1)
A = 2x (7 + 3x)
2)
A = 2x (7 + 3x)
A = 14x + 6x²
3) Tu dois remplacer x par 4
Je te laisse calculer :)