Mathématiques

Question

c=5/3-2/3:5/6

d=-13/7+3/7:5/3

1 Réponse

  • c=5/3-2/3:5/6

    = 5/3 - 2/3 * 6/5

    = 5/3 - 12/15

    = 25/15 - 12/15

    = 13/15

     

    d=-13/7+3/7:5/3

    = -13/7 + 3/7 * 3/5

    = -13/7 + 9/35

    = -65/35 + 9/35

    = -56/35

    = -(7*8)/(7*5)

    = -8/5

     

    en espérant t'avoir aidé.

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