Mathématiques

Question

combien font 5x4÷45(-3-43×2)

2 Réponse

  • Bonsoir, 

    5 x 4 / 45 x (- 3 - 43 x 2)
    = 20 / 45 x (- 3 - 86)
    = 4 / 9 x (- 89)
    = - (4 x 89) / 9
    = - 356 / 9
  • Bonsoir,

    5 x 4 / 45 (-3 - 43 x 2) =
    20/45 x (-3 - 86) =
    20/45 x (-89) =
    -1780/45 =
    -(5 x 356)/(5 x 9) =
    -356/9 ~ -39,56

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