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

Toán Lớp 10: (-2/3) mũ 2004 : (-2/3) mũ 2001

Toán Lớp 10: (-2/3) mũ 2004 : (-2/3) mũ 2001

Comments ( 2 )

  1. (-2/3)^2004 : (-2/3)^2001
    = (-2/3)^(2004-2001)
    = (-2/3)^3
    = (-8)/27 

  2. (-2/3)^2004 : (-2/3)^2001
    =(-2/3)^(2004-2001)
    =(-2/3)^3
    =((-2)^3)/3^3
    =-8/27

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