Mathématiques

Question

calculer les expressions en ecrivant les etapes intermediaires

A=7-4x8 B=4x12-7x9 C=37-6x5 D=12-9:3 E=-32:4-2-7x3

1 Réponse

  • A=7-4x8
    a = 7 -32
    a = -25

     B=4x12-7x9
    b = 48 -63
    b = - 15

    C=37-6x5
    c = 37-30
    c = 30

    D=12-9:3
    d = 12 -3
    d = 9

    E=-32:4-2-7x3
    e = 8 -2-21
    e = 8-23
    e = -15

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