Mathématiques

Question

bonsoir besoin d aide svp. merçi
bonsoir besoin d aide svp. merçi

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1 Réponse

  • A = (5/4) + (7/8)
    A = 10/8 + 7/8
    A = 17/8
    B = (-2/5) + (7/15)
    B = -6/15 + 7/15
    B = 1/15
    C = (8/18) + (-7/6)
    C = 8/18 + (-21/18)
    C = -13/18
    D = (-5/32) + (-3/8)
    D = (-5/32) + (-12/32)
    D = -17/32

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