Mathématiques

Question

Bonjour,

Calcule et donne le résultat sous la forme
d'une fraction simplifiée.
A = 7/11 × 3/4
B = 19/3 × −4/19
C = 3/7 × 3/7
D = −9/26 × 65/−72
E = 3/8 × 56
F = 10 × 11/50

1 Réponse

  • Bonjour,

    A = 7/11 × 3/4
    A = 21/44

    B = 19/3 × −4/19
    B = - 76/57
    B = (19 x - 4) / (19 x 3)
    B = - 4/3

    C = 3/7 × 3/7
    C = 9/49

    D = −9/26 × 65/−72
    D = 585/1872
    D = (117 x 5) / (117 x 16)
    D = 5/16

    E = 3/8 × 56
    E = 168/8
    E = (8 x 21) / (8 x 1)
    E = 21

    F = 10 × 11/50
    F = 110/50
    F = (10 x 11) / (10 x 5)
    F = 11/5

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