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Published byKristian Ballenger Modified over 10 years ago
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CALCUL MENTAL Collège Jean Monnet Préparez-vous !
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Calculer la somme de 55 et 48 Question 1
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Calculer le double de 48 Question 2
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Calculer le produit de 6 et 8 Question 3
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3 + 2 ( 9 - 4) + 6 = Question 4
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13 21 = Question 5
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Correction
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Calculer la somme de 55 et 48 55 + 48 = 103 Question 1
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Calculer le double de 48 48 2 = 96 Question 2
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Calculer le produit de 6 et 8 : 6 8 = 48 Question 3
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3 + 2 ( 9 - 4) + 6 = 3 + 2 5 + 6 = 3 + 10 + 6 = 19 Question 4
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13 21 = 13 (20 + 1) = 13 20 + 13 1 = 260 + 13 = 273 Question 5
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FIN !
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