Mathématiques

Question

calculer
(2-3) (12-7)

-4 - (3-7 x 3)

-10 -5 x (-2 +6 )

-5 x [ 1+2 x (-7)] - 4x2

1 Réponse

  • bonjour

    - 1 * 5 = - 5
    - 4 - ( 3 * -21) = - 4 - ( - 63) = - 4 + 63 = 59

    - 10 - 5* 4 = - 10 - 20 = - 30

    - 5 ( 1 -14) - 8 = - 5 + 70 - 8 = 70 - 13 = 57

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