Mathématiques

Question

aider moi s’il vous plaît
aider moi s’il vous plaît

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1 Réponse

  • Bjr,

    3 * x/3 = 7

    x/3 = 7 * 3

    x/3 = 21

    x = 21/3 = 7

    5 * 4/x = 4

    4/x = 20

    x = 20/4 = 5

    5/6x = 5

    x = 5 * 6/5 = 30/5 = 6

    6x = 5

    x = 5/6

    7/9 = 7 * 1/9

    5 * 1/3 = (5 * 1)/(1 * 3) = 5/3.

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