Mathématiques

Question

Je voudrais me faire corriger si possible
Calculer et contrôler
A= 1/5:3/1=3/5 1/5÷ 3 (3/1) = 3/5
B= 3/8 : (-6) =-1/16 3/8 -6/1 = -1/16
C= -15/8 ÷:5/1 = -3/8 -15/8÷5/1= -3/8

Merci !

1 Réponse

  • Bonsoir,

    A = (1/5)/(3/1)
    A = 1/5 * 1/3
    A = 1/15

    B = (3/8)/-6
    B = 3/8 * -1/6
    B = -3/48
    B = -1/16

    C = (-15/8)/(5/1)
    C = -15/8 * 1/5
    C = -15/40
    C = -3/8

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