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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Bài 6/. Thực hiện phép tính: a, (154-(36-33)³ .2)-17 b, ((-29)+(-19))+-22)

Toán Lớp 6: Bài 6/. Thực hiện phép tính:
a, (154-(36-33)³ .2)-17
b, ((-29)+(-19))+-22)

Comments ( 2 )

  1. a,
    [ 154 – ( 36 – 33 )^3. 2 ] – 17
    = [ 154 – 3^3. 2 ] – 17
    = [ 154 – 27. 2 ] – 17
    = [ 154 – 54 ] – 17
    = 100 – 17
    = 83
    b,
    [ ( -29 ) + ( -19 ) ] + ( -22 )
    = [ -29 – 19 ] – 22
    = -48 – 22
    = -70

  2. a)
    [154-(36-33)^3 .2]-17
    =[154-3^3 .2]-17
    =[154-27.2]-17
    =[154-54]-17
    =100-17
    =83
    $\\$
    b)
    [(-29)+(-19)+(-22)]
    =[(-48)+(-22)]
    =-70

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222-9+11+12:2*14+14 = ? ( )

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