Mathématiques

Question

Coucou maths 4°
A= 8+5x(-3)
B= (8+5)x(-3)
C=-20-7+13+4-15
D= (-8)x4x(-3)x5x(-1)
Merci d'avance c pour demain

2 Réponse

  • bonsoir

    a = 8 - 15 x

    b = 13 * - 3 = - 39

    c = - 42 + 17 = - 25

    d = - 480
  • bonjour,

    A = 8+(-15) = 8-15 =-7
    B =13*-3 = -39
    C = -20-7-15+13+4 = -42+14  =-25
    D = -32*-3*-5 = -480

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