Mathématiques

Question

combien font 7+13x(-10)-5x(-3)x2 merci

1 Réponse

  • Bonsoir,
    7+13x(-10)-5x(-3)x2
    =7+(13x-10)-(5x-3x2)
    =7+(13x-10)-(5x3x-2)
    =7-130-(-30)
    =7-130+30
    =37-130
    =-93

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