Mathématiques

Question

Aidez moi svp je suis en 4eme et je suis pas tres forte en math svp audez moi c urgent ! :D
Aidez moi svp je suis en 4eme et je suis pas tres forte en math svp audez moi c urgent ! :D

1 Réponse


  • A = 5 + 8 x (-2) + 6

    A = 5 + (-16) + 6

    A = -11 + 6

    A = -5


    B = 4 - 7 x (-3 + 8)

    B = 4 - 7 x 5

    B = 4 - 35

    B = - 31


    C = (3 - 7) x (5 + 2)

    C = - 4 x 7

    C = - 28


    D = (-3 - 6 ) x (6 - 8)

    D = - 9 x - 2

    D = 18


    E = 5 - (2 x 7 - 13)

    E = 5 - (14 - 13)

    E = 5 - 1

    E = 4


    F = 30 - (7 - 2 x 8)

    F = 30 - (7 - 16)

    F = 30 - (-9)

    F = 30 + 9

    F = 39


    G = (6 x 5 - 3) x (7 - 2 x 6)

    G = (30 - 3) x (7 - 12)

    G = 27 x (- 5)

    G = -135


    H = (9 : 3 + 5) x (7 x (-4) + 2)

    H = (3 + 5) x (-28 + 2)

    H = 8 x (- 26)

    H = -208


    I = 40 - [ 28 - ( 3 x 2 + 4)]

    I = 40 - [ 28 - (6 + 4)]

    I = 40 - [ 28 -10 ]

    I = 40 - 38

    I = 2


    J = [ 30 - (2 + 8 x 3)] - [ 50 - (12 - 2 x 5)]

    J = [ 30 - (2 + 24)] - [ 50 - (12 - 10)]

    J = [ 30 - 26 ] - [ 50 - 2 ]

    J = 4 - 48

    J = - 44