EXERCICE 5
Simplifier au maximum les fractions suivantes en effectuant plusieurs étapes si nécessaire et
en appliquant les critères de divisibilité et les tables de multiplication 21/49. 15x12/18x35. 24x54/72x30

By: USER5567
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
EXERCICE 5
Simplifier au maximum les fractions suivantes en effectuant plusieurs étapes si nécessaire et
en appliquant les critères de divisibilité et les tables de multiplication 21/49. 15x12/18x35. 24x54/72x30
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Answer (326)

Best Answer
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Réponse :

Explications étape par étape :

21/49 = 3 X 7  / 7 X 7 = 3 / 7

15x12/18x35 = 3 X 5 X 3 X 2 X 2 / 3 X 3 X 2 X5 X 7 = 2 / 7

24x54/72x30 = 6 X 4 X 6 X 3 X 3 / 6 X 3 X 4 X 6 X 5 = 3 / 5

Answered on 27 Agustus 2025

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