Mathématiques

Question

DM de Mathématiqaes 2 Pour le Exercice 1. (10) On donne a = -2; b = +5; c= -3 et d = 4. Calculer, en détaillant : A = ac ; B = bc ; : C = a + b +c+d D = a-b-c-d :
E= a-c-bd ; F = F = a - c а с b + d

Qui peut m aider merciqui peut m'aider ​

1 Réponse

  • Coucou

    A = ac
    A = a * c
    A = (-2) * (-3)
    A = 6

    B = bc
    B = b * c
    B = 5 * (-3)
    B = -15

    C = a + b + c + d
    C = -2 + 5 + (-3) + 4
    C = -2 + 5 - 3 + 4
    C = 4

    D = a - b - c - d
    D = -2 - 5 - (-3) - 4
    D = -2 - 5 + 3 - 4
    D = -8

    E = a - c - bd
    E = -2 - (-3) - [5 * 4]
    E = - 2 + 3 - 20
    E = -19

    F = a - cacb + d
    F = -2 - [(-3) * (-2) * (-3) * 5]
    F = - 2 - [-90]
    F = -2 + 90
    F = 88

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