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

Toán Lớp 7: 2-(x-2)^3=29 ai xong sớm mik vót 5* với ctlhn nhá

Toán Lớp 7: 2-(x-2)^3=29 ai xong sớm mik vót 5* với ctlhn nhá

Comments ( 2 )

  1. 2 – ( x -2 ) ³ = 29
    2 – ( x – 2 )³ = 2 + 3³
    2 – x – 2 = 2 + 3
    2 – x – 2 = 5
    2 – x = 5 + 2
    2 – x = 7
    x = 2 – 7
    x = -5
    Vậy x = – 5
    #thew#

  2. 2 – (x – 2)^{3} = 29
        (x-2)^{3} = 29 – 2 = 27
        (x-2)^{3} = 3^{3}
        x – 2         = 3
        x               = 3 + 2
        x               = 5
    Vậy x = 5

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