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

Toán Lớp 6: (x+1)^3=144.12 Làm hộ mk ạ. Cảm ơn mọi ngừơi

Toán Lớp 6: (x+1)^3=144.12
Làm hộ mk ạ. Cảm ơn mọi ngừơi

Comments ( 2 )

  1. ( x + 1)^3 = 144 . 12
    ( x + 1)^3 = 12 . 12 . 12
    ( x + 1)^3 = 12^3
    => x + 1 = 12
    x = 12 – 1
    x = 11
    Vậy x = 11
    #caty09

  2. (x + 1)³ = 144 . 12
    (x + 1)³ = 1728
    (x + 1)³ = 12³
    Mũ³ giữ nguyên
    => (x + 1) = 12
           x         = 12 – 1
           x         = 11
     

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