Mathématiques

Question

Calculer
A = 5/7+ 6/7 B=15/11+ 4/11
C= 12/5- 9/5 D= 23/9- 12/9

2 Réponse

  • A = 5/7+ 6/7 = 11/7

    B=15/11+ 4/11 = 19/11

    C= 12/5- 9/5  = 3/5

    D= 23/9- 12/9
      = 11/9
  • A= 5/7+6/7 = 11/7
    B= 15/11+4/11 = 19/11
    C= 12/5-9/5 = 3/5
    D= 23/9-12/9 = 11/9

    J'espère t'avoir aidé !

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