Mathématiques

Question

2/3 - (6/5 + 2/9) svp besoin d’aide

1 Réponse

  • Bonsoir

    2/3 - (6/5 + 2/9)

    = 2/3 - [(6 x 9) / (5 x 9) + (2 x 5) / (9 x 5)]

    = 2/3 - (54/45 + 10/45)

    = 2/3 - 44/45

    = (2 x 15) / (3x 15) - 44/45

    = 30/45 - 44/45

    = - 14/45.

Autres questions