Mathématiques

Question

pouvez vous m'aidez svp
a) 5X (1/2+3/4)
b) 7/2X(3/5+1/10)
c) 2/3+4/3X6
d) 7/8+24X5/10
MERCIIIIIIIIIIIIIIIIIIIIIIIII

1 Réponse

  • a) 5X (1/2+3/4)
    a = 5x (2/4+3/4)
    a= 5x  (5/4)
    a = 25/4

    b) 7/2X(3/5+1/10)
    b = 7/2 x (6/10+1/10)
    b =7/2 x 7/10
    b = 49/20

    c) 2/3+4/3X6
    c = 2/3+ 24/3
    c = 26/3

    d) 7/8+24X5/10
    d = 7/8 +120/10
    d = 7/8 +12
    d = 7/8+96/8
    d = 103/8

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