Mathématiques

Question

il faut que je calcule et je donne le résultat des expressions sous la forme la plus simple en detaillant les expressions :
A= (1/2+4/3) x (6/5)
B= 15 : (1/4 - 2/3)
D= 1/6|1/4 le 1/6 est sur le 1/4

2 Réponse

  • A= (1/2+4/3) x (6/5)
    a = (3/6+8/6) x6/5
    a = 11/6 x 6/5
    a = 11/5

    B= 15 : (1/4 - 2/3)
    b = 15 : (3/12 -8/12)
    b = 15 : -5/12
    b = 15 x - 12/5
    b = -36

    D= 1/6|1/4
    d = 1/6 x4
    d = 4/6
    d = 2/3
  • A = (1/2 + 4/3) x (6/5)
    A = (1 x 3 / 2 x 3 + 4 x 2 / 3 x 2) x (6/5)
    A = (3/6 + 8/6) x 6/5
    A = 11/6 x 6/5
    A = 66/30
    A = 6 x 11 / 6 x 5
    A = 11/5

    B = 15 : (1/4 - 2/3)
    B = 15 : (1 x 3 / 4 x 3 - 2 x 4 / 3 x 4)
    B = 15 : (3/12 - 8/12)
    B = 15 : - 5/12
    B = 15 x - 12/5
    B = - 180/5
    B = 5 x - 36 / 5 x 1
    B = - 36

    D = 1/6|1/4
    D = 1/6 x 4/1
    D = 4/6
    D = 2 x 2 / 2 x 3
    D = 2/3

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