Mathématiques

Question

Besoin d'aide urgent!
A = 3:7+11:7 = B = -1:8 - 5:24 = C = -27:10x -5:9 = D = 17:50x -15:34x -28:35 = E = -5:28x7:15 =

2 Réponse

  • bonsoir

    a = 3/7  +11/7 = 14 /7 = 2
    b = - 1/8 - 5/24 = - 3/24 - 5/24 = - 8/24 = - 1/3
    c = - 27/10 x  - 5/9 =  135/90= 3/2
    d = 17/50 x - 15/34 = - 255/1700 = - 3/20
    e = - 5/28 x 7/15 = - 35/420= - 1/12
  • A=2 B=-0.3333333333 C=-1.5 D=0.12 E=-0.8333333333

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