18-07-2017
Mathematics

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la somme de 3 nombre consécutifs est égale à 195. Quelle est le plus petit de ces trois nombres

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mreijepatmat mreijepatmat

18-07-2017

Soit (x-1) le premier nombre, le second sera x et le troisieme (x+1)
Donc (x-1) + x + (x+1) = 195
3x = 195 et x = 195/3 = 65

Donc le premier chiffre est x- 1 = 65 -1 = 64 et la serie:
64, 65, 66

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