Mathématiques

Question

svp piitié aidez moi :( 
Calculer :a. 45-(12+9) b. (64-18)-(26+13)
c. 6*(14+8) d. (12-7)*(12+7)
e. 36 : (3+6) f. (39+33) : (15-7)

2 Réponse

  • Calculer :

    a. 45 - (12 + 9) = 45 - 21 = 24

    b. (64 - 18) - (26 +13) = 46 - 39 = 7

    c. 6 * (14 + 8) = 6 x 22 = 132

    d. (12 - 7) * (12 + 7) = 5 x 19 = 95

    e. 36 : (3 + 6) = 36 : 9 = 4

    f. (39 + 33) : (15 - 7)
    = 72 : 8 = 9
  • a) 45-(12 +9)
    = 45 -21
    = 24

    b) (64 -18)-(26+13)
    = 46 -39
    = 7

    c) 6* (14 +8)
    = 84 +48
    = 132

    d) (12-7)*(12+7)
    = 144 +84 -84 -49
    = 95

    e) 36: (3+6)
    = 36:9
    = 4

    f) (39 +33) : (15-7)
    = 72 : 8
    = 9

Autres questions