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

Toán Lớp 6: Tính giá trij biểu thức 142-[50-(2³.10-2³.5)]

Toán Lớp 6: Tính giá trij biểu thức
142-[50-(2³.10-2³.5)]

Comments ( 2 )

  1. A = 142 – [ 50 – ( 23.10 – 23.5 ) ]
    A = 142 – [ 50 – 8.( 10 – 5 ) ]
    A = 142 – ( 50 – 40 )
    A = 142 – 10 
    A = 132
    Xin CTLHN
     

  2. $@Zeng$
    $142-[50-(2^3.10-2^3.5)]$
    $=142-{50-[2^3.(10-5)]}$
    $=142-{50-[8.5]}$
    $=142-{50-40}$
    $=142-10$
    $=132$
     

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