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

Toán Lớp 6: Tìm x , biết ( 2x – 1 )^3 = 27

Toán Lớp 6: Tìm x , biết
( 2x – 1 )^3 = 27

Comments ( 2 )

  1. ( 2x – 1 )^3 = 27
    ( 2x – 1 )^3 = 3^3
    2x – 1 = 3
    2x = 4
    x = 2
    Vậy x = 2
     

  2. (2x – 1)^3 = 27
    (2x – 1)^3 = 3^3
    2x – 1 = 3
    2x = 4
    x = 4 : 2
    x = 2
    Vậy x = 2
     

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

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