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

Toán Lớp 6: 242 mũ n : 2 mũ 2n Giúp mik vs

Toán Lớp 6: 242 mũ n : 2 mũ 2n
Giúp mik vs

Comments ( 2 )

  1. $\\$
    242^n : 2^{2n}
    = 242^n : (2^2)^n
    = 242^n : 4^n
    = (242 : 4)^n
    = (121/2)^n
    $\\$
    Vận dụng : a^n : b^n = (a:b)^n

  2. 242^n : 2^(2n)
    = 242^n : (2^2)^n
    = 242^n : 4^n
    = (242 : 4)^n
    = (60,5)^n

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