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Les boîtes de chocolats Prénom :
Date : Calcul
3
3 + 2 + ….. = 12 13 = 2 + ….. + 8 3 + 5 + ….. = 12 5 + 4 + ….. = 14 4 + ….. + 6 = 15 7 + 3 + 4 = ….. 7 + ….. + 1 = 9 11 = ….. + 3 + 5 19 = 9 + 5 + …..