Mathématiques

Question

calcul 3 fractions
K=3/4+7/16+5/8
L = 5/2x3/2x1/4
M=2+3/4+1/2
N=3x5/2x2/3

2 Réponse

  • k=3/4+7/16+5/8
    k=12/16+7/16+10/16
    k=29/16

    l=5/2x3/2x1/4
    l=15/16

    m=2+3/4+1/2
    m=8/4+3/4+2/4
    m=13/4

    n=3x5/2x2/3
    n=30/6 ou 5
  • K = 3/4 + 7/16 + 5/8
    = 12/16 + 7/16 + 10/16
    = 12/16 + 17/16
    = 29/16

    L = 5/2 x 3/2 x 1/4
    = 15/4 x 1/4
    = 15/16

    M = 2 + 3/4 + 1/2
    = 2 + 3/4 + 2/4
    = 2 + 5/4
    = 13/4

    N = 3 x 5/2 x 2/3
    = 3 x 10/6
    = 5

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