Mathématiques

Question

b)7×(4+3)-72÷8+26÷2-6
c)19-[57-(6×4)]÷3
d) 5+2×17-(18÷9+12)
e) 4÷5+2×4
__ __
3+1 10

1 Réponse

  • b)
    7x(4+3)-72:8+26:2-6
    7x7-9+13-6
    49-9+13-6
    40+13-6
    53-6
    47

    c)
    19-[57-(6x4)]:3
    19-(57-24):3
    19-33:3
    19-11
    8

    d)
    5+2×17-(18:9+12)
    5+34-(2+12)
    39-14
    25


    e) 4:5+2×4
    0.8+8
    8.8



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