Mathématiques

Question

A = 3/7 X 3/6 ÷ 5/14
B = 3/7 + (3/6 X 5/14)
C = -2/-3 X 9/-5
D = -2/-3 ÷ 9/-5
Merci de m'aider SVP il faut calculer en montrant tout les calculs

1 Réponse

  • bonsoir

    a = 3/7 x 3/6 : 5/14
    a = 3/7 x 3/6 x 14/5
    a = 126/210
    a = 3/5

    b = 3/7 + 15/84
    b = 36/84 + 15/84
    b = 51/84 = 17/28

    c = - 18/15 = - 6/5
    d = - 2/-3 x - 5/9
    d = 10/ - 27 = - 10/27

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