Mathématiques

Question

ex46p52

a/146-(71-36):   b/250-(19,3+31,8);   c/5,7-(7,6-4,81)+(6.04-25).

svp aider moi!!!


1 Réponse

  • a/146-(71-36)
    =146-(35)
    =111

    b/250-(19,3+31,8)
    =250- 51.1
    =198.9

    c/5,7-(7,6-4,81)+(6.04-25)
    =5.7-(2.79)+(-18.86)
    =5.7-2.79-18.86
    =-15.95

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