Mathématiques

Question

On pose a= 2 , b= - 3 et c= 5
                    3          4          6

Calculer : A= a+b+c   B= a-b-c   C= a-(b-c)

1 Réponse

  • A = 2/3 + 3/4 + 5/6 = 27/12 = 9/4

    B = 2/3 - 3/4 - 5/6 = -11/12  

    C = 2/3 - (3/4 - 5/6) = 9/12 = 3/4.

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