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CORRECTION DU DNB 2014 1. 5. × 20 = 20 : 5 = 4. Il y a donc 4 jetons rouges dans ce sac. Exercice 5 : Question 1 : d) 8 (car 23 = 8). Question 2 : a) 10 m.s? 1 (car 36 × 1 000 : 3 
A B C H Exercice 4 : On considère le triangle ABC suivant tel que OA = OB = OC. 3) OA = OB = OC donc les 3 points A, B, C sont sur un cercle de centre O.
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