Mathématiques

Question

1-8/3=
8/3-1=
8/5-1=
3-1/4=
Merci pour votre aide

2 Réponse

  • 1 - 8/3 = 3/3 - 8/3 = - 5/3

    8/3 - 1 = 8/3 - 3/3 = 5/3

    8/5 - 1 = 8/5 - 5/5 = 3/5

    3 - 1/4 = 12/4 = 1/4 = 11/4
  • 1 - 8/3
    = 1 x 3 / 1 x 3 - 8/3
    = 3/3 - 8/3
    = - 5/3

    8/3 - 1
    = 8/3 - 1 x 3 / 1 x 3
    = 8/3 - 3/3
    = 5/3

    8/5 - 1
    = 8/5 - 1 x 5 / 1 x 5
    = 8/5 - 5/5
    = 3/5

    3 - 1/4
    = 3 x 4 / 1 x 4 - 1/4
    = 12/4 - 1/4
    = 11/4

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