Mathématiques

Question

calculer A=2a+1/a+a/2a+1 sachant que a = 2 tiers

2 Réponse

  • Tu poses donc :

     

    A=2*2/3+1/(2/3)+(2/3)/(2*(2/3))+1

    A=4/3+3/2+1/2+1

    A=8/6+9/6+3/6+6/6 = 26/6 = 13/3

  • A=2*2/3+1/(2/3)+(2/3)/(2*(2/3))+1

    A=4/3+3/2+1/2+1

    A=8/6+9/6+3/6+6/6 = 26/6 = 13/3

    tout simplement :)

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